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Question

Hello, I need help for this question, it would be highly appreciated.

 

Bob the builder had twice as many screws as nails. 

The total mass of the screws and nails was 1054 g.

The mass of the screws was 646 g more than the mass of the nails. 

The mass of each screw was 13 g more than the mass of each nail. 

A) What was the mass of the nails in grams?

B) How many Nails were there.

I believe that the answer for a is 204 grams, and the answer for b is 17. However, I do not know what method to use. Please advise me, thanks.

Source: PSLE

Answer

 
 
 
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What???? What website are you on. This is a maths question that i needed help for, not some maid thing in london. Please answer the question, don’t give me a job. 

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