SOLUTION: Sir, I have (a)1300 gms of 96.85% of Silver (b) 6500 gms of 65% of Silver.I want to make 73% by melting (b) with (a). How many gms from (b) I need to add with (a).Thank you.

Question 917741: Sir, I have (a)1300 gms of 96.85% of Silver (b) 6500 gms of 65% of Silver.I want to make 73% by melting (b) with (a). How many gms from (b) I need to add with (a).Thank you.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
How much of the silver alloy is wanted?

R, grams of silver alloy wanted....?
Try using ALL of the 65% and find how much of the 96.85% to add to it?
; if h is a reasonable value, then you have enough of the higher content silver material.

----Too high for the amount available.

Try the other way or, how much mixture is wanted?

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NEW INFORMATION

The question was really this instead:
How much, u, of the 65% silver metal to mix with 1300 grams of the 96.85% silver metal
to make 73% silver?

Solve for u.

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