Walnut problem

chekhov · Post by **chekhov** » Sat Mar 17, 2018 5:42 pm

I'm feeling particularly thick this afternoon, feels a bit like early-onset alzheimer's.
Anyway, maybe there's an moderately intelligent person on here who can help me with this basic maths problem.

This morning I bought a 2kg bag of un-shelled walnuts for €11.
I wanted to determine the cost per kilo for the shelled nuts, so I weighed 10 of them un-shelled which came to 90g.
Once shelled I was left with 38g of nuts.
So how much for the naked walnuts? Embarrassing but just can't get my head round it.
Thanks in advance!

piston broke · Post by **piston broke** » Sat Mar 17, 2018 5:45 pm

Still trying to work out how you have re-shelled the unshelled walnuts?

mdd2 · Post by **mdd2** » Sat Mar 17, 2018 5:52 pm

You have 444.22g of naked nuts at€11 so 1000g would cost €1000/444.22x 11 or €24.76 if my maths is correct

conyoviejo · Post by **conyoviejo** » Sat Mar 17, 2018 5:53 pm

This poser is driving me nuts ..

john'sroseyspecs · Post by **john'sroseyspecs** » Sat Mar 17, 2018 5:56 pm

In a sense youve still paid €11 for your naked walnuts
Everything else is just packaging

starting_11 · Post by **starting_11** » Sat Mar 17, 2018 5:58 pm

Read the question wrong...

chekhov · Post by **chekhov** » Sat Mar 17, 2018 5:58 pm

piston broke wrote:Still trying to work out how you have re-shelled the unshelled walnuts?

I could've used vague terminology. Maybe better to say the nuts had their shells on them when they were bought. After I shelled them they were un-shelled (or possibly de-shelled?). Is that clearer?

chekhov · Post by **chekhov** » Sat Mar 17, 2018 5:59 pm

john'sroseyspecs wrote:In a sense youve still paid €11 for your naked walnuts
Everything else is just packaging

This is true but doesn't give me the price per kilo.

chekhov · Post by **chekhov** » Sat Mar 17, 2018 6:01 pm

starting_11 wrote:Errr

£4.62

I think

Doesn't sound like enough. I think it should be more like €14 or €15.

Ashingtonclaret46 · Post by **Ashingtonclaret46** » Sat Mar 17, 2018 6:02 pm

Assuming that all the nuts were the same size, the cost of 1 kg of shelled nuts would be £13.42 as near as you can calculate.

starting_11 · Post by **starting_11** » Sat Mar 17, 2018 6:05 pm

chekhov wrote:Doesn't sound like enough. I think it should be more like €14 or €15.

Yeah it worked it out as the unshelled nuts being the same price as the shelled.

My mistake

starting_11 · Post by **starting_11** » Sat Mar 17, 2018 6:06 pm

Argh.

Its been too long since I was at school!

halfmanhalfbiscuit · Post by **halfmanhalfbiscuit** » Sat Mar 17, 2018 6:06 pm

€13.09

piston broke · Post by **piston broke** » Sat Mar 17, 2018 6:16 pm

chekhov wrote:I could've used vague terminology. Maybe better to say the nuts had their shells on them when they were bought. After I shelled them they were un-shelled (or possibly de-shelled?). Is that clearer?

That helps. So you bought them shelled. So was the 2kg before or after you stripped them?

chekhov · Post by **chekhov** » Sat Mar 17, 2018 6:16 pm

halfmanhalfbiscuit wrote:€13.09

Thanks HMHB, that sounds convincing!
(By the way I saw HMHB a few years ago in Aberdeen. Great gig, and very funny. Joy Division oven gloves a particular favourite.)

chekhov · Post by **chekhov** » Sat Mar 17, 2018 6:17 pm

piston broke wrote:That helps. So you bought them shelled. So was the 2kg before or after you stripped them?

Before.

starting_11 · Post by **starting_11** » Sat Mar 17, 2018 6:17 pm

The shell is 58% of the weight.

So times that by 11 and you should have the answer £17.38

conyoviejo · Post by **conyoviejo** » Sat Mar 17, 2018 6:17 pm

Ashingtonclaret46 wrote:Assuming that all the nuts were the same size, the cost of 1 kg of shelled nuts would be £13.42 as near as you can calculate.

Did you work that out on your fingers Ashy ?

chekhov · Post by **chekhov** » Sat Mar 17, 2018 6:20 pm

starting_11 wrote:The shell is 58% of the weight.

So times that by 11 and you should have the answer £17.38

Have you done the euro to sterling conversion as well?

Ashingtonclaret46 · Post by **Ashingtonclaret46** » Sat Mar 17, 2018 6:23 pm

conyoviejo wrote:Did you work that out on your fingers Ashy ?

Used the old grey matter con --no substitute for it --never used a calculator in my life

chekhov · Post by **chekhov** » Sat Mar 17, 2018 6:29 pm

So there's 3 answers: 17.38, 13.42, and 13.09.

halfmanhalfbiscuit · Post by **halfmanhalfbiscuit** » Sat Mar 17, 2018 6:30 pm

chekhov wrote:Thanks HMHB, that sounds convincing!
(By the way I saw HMHB a few years ago in Aberdeen. Great gig, and very funny. Joy Division oven gloves a particular favourite.)

No problem, I hope it's right...ish

Is a "2kg bag of un-shelled walnuts for €11" the going rate?
Where do you live?
I've got a walnut tree that drops loads. I could make a killing.

chekhov · Post by **chekhov** » Sat Mar 17, 2018 6:36 pm

halfmanhalfbiscuit wrote:No problem, I hope it's right...ish
Is a "2kg bag of un-shelled walnuts for €11" the going rate?
Where do you live?
I've got a walnut tree that drops loads. I could make a killing.

Yeah, seems about the going rate at the local market. I'm in Ardèche in southern France but the walnuts generally come from the area around Grenoble.

halfmanhalfbiscuit · Post by **halfmanhalfbiscuit** » Sat Mar 17, 2018 6:40 pm

chekhov wrote:Yeah, seems about the going rate at the local market. I'm in Ardèche in southern France but the walnuts generally come from the area around Grenoble.

Oh wow, I wasn't expecting you to say France.
How long have you been there?

conyoviejo · Post by **conyoviejo** » Sat Mar 17, 2018 6:43 pm

Ashingtonclaret46 wrote:Used the old grey matter con --no substitute for it --never used a calculator in my life

Yep,we don't need a calculator when we have 12 digits..

chekhov · Post by **chekhov** » Sat Mar 17, 2018 6:44 pm

About 5 years or so now. I'm here for the climate.

halfmanhalfbiscuit · Post by **halfmanhalfbiscuit** » Sat Mar 17, 2018 6:45 pm

conyoviejo wrote:Yep,we don't need a calculator when we have 12 digits..

So you're from Padiham?

halfmanhalfbiscuit · Post by **halfmanhalfbiscuit** » Sat Mar 17, 2018 6:50 pm

chekhov wrote:About 5 years or so now. I'm here for the climate.

I'm near Rennes up in Bretagne.
Over 10 years. Wow where did that go?

Firthy · Post by **Firthy** » Sat Mar 17, 2018 6:53 pm

€13.09 per kilo is the right answer.

It takes 2.38 kilos of unshelled nuts to give 1 kilo of shelled nuts.

1 kilo of unshelled nuts is €5.50.

So 1 kilo of shelled nuts costs 5.50 x 2.38 = 13.09

Paul Waine · Post by **Paul Waine** » Sat Mar 17, 2018 6:58 pm

conyoviejo wrote:Yep,we don't need a calculator when we have 12 digits..

Maths became easier when decimalisation got started.

Paul Waine · Post by **Paul Waine** » Sat Mar 17, 2018 7:02 pm

Firthy wrote:€13.09 per kilo is the right answer.

It takes 2.38 kilos of unshelled nuts to give 1 kilo of shelled nuts.

1 kilo of unshelled nuts is €5.50.

So 1 kilo of shelled nuts costs 5.50 x 2.38 = 13.09

Doesn't that assume that once shelled all the walnuts are good quality.

There's nothing worse than getting busy with the nutcrackers, removing the shell and finding that the nut has "gone off."

I'm sure there are stats available about the frequency of "bad nuts" in every kilo of (unshelled) walnuts.

claretnproud · Post by **claretnproud** » Sat Mar 17, 2018 7:04 pm

the maths is
90 divided by 38 = 0.422222222 then
0.422222222 timesed by £11 = £4.64.444p

Ashingtonclaret46 · Post by **Ashingtonclaret46** » Sat Mar 17, 2018 7:08 pm

I read the price as being in Sterling, however if it is in Euros the answer is 13.42 Euros per kilogram unshelled.

Each unshelled walnut is 9gms, therefore, you need 111 walnuts to make 1kg.
Each shellled walnut is 3.8gms. therefore, you need 263 without shells to make 1kg.
Having reviewed my calculation I am more in agreement with HMHB that it is nearer 13.09 per kilogram.
Anyway, it helped to pass the time and keep the brain active.

chekhov · Post by **chekhov** » Sat Mar 17, 2018 7:21 pm

Ashingtonclaret46 wrote:I read the price as being in Sterling, however if it is in Euros the answer is 13.42 Euros per kilogram unshelled.

Each unshelled walnut is 9gms, therefore, you need 111 walnuts to make 1kg.
Each shellled walnut is 3.8gms. therefore, you need 263 without shells to make 1kg.
Having reviewed my calculation I am more in agreement with HMHB that it is nearer 13.09 per kilogram.
Anyway, it helped to pass the time and keep the brain active.

Thanks man. What a great resource this board is!

chekhov · Post by **chekhov** » Sat Mar 17, 2018 7:26 pm

Paul Waine wrote:Doesn't that assume that once shelled all the walnuts are good quality.

There's nothing worse than getting busy with the nutcrackers, removing the shell and finding that the nut has "gone off."

I'm sure there are stats available about the frequency of "bad nuts" in every kilo of (unshelled) walnuts.

Been lucky so far. Only 1 bad nut in about 210g of shelled nuts. What's that, about 1 in every half kilo of unshelled walnuts or thereby?

chekhov · Post by **chekhov** » Sat Mar 17, 2018 7:32 pm

Just thinking, a more fun title to this thread would've been something like, "I've got a problem with me nuts".
Could've had some fun with that. Oo..er missus.

Ashingtonclaret46 · Post by **Ashingtonclaret46** » Sat Mar 17, 2018 7:43 pm

We would just have suggested Very Important Additive Gets Reaction Again!

chekhov · Post by **chekhov** » Sat Mar 17, 2018 7:50 pm

Ashingtonclaret46 wrote:We would just have suggested Very Important Additive Gets Reaction Again!

True. Works every time.

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