SOLUTION: Anne and Nancy use a metal alloy that is 15% copper to make jewelry. How many ounces of a 13% alloy must be mixed with a 19% alloy to form 96 ounces of the desired alloy?

Algebra.Com
Question 83052: Anne and Nancy use a metal alloy that is 15% copper to make jewelry. How many ounces of a 13% alloy must be mixed with a 19% alloy to form 96 ounces of the desired alloy?
Answer by checkley75(3666)   (Show Source): You can put this solution on YOUR website!
.15*96=.13x+.19(96-x)
14.4=.13x+18.24-.19x
14.4-18.24=.13x-.19x
3.84=.06x
x=3.84/.06
x=64 oz. of 13% alloy is needed.
96-64=32 oz. of 19% alloy is also needed.
proof
.15*96=.13*64+.19*32
14.4=8.32+6.08
14.4=14.4

RELATED QUESTIONS

Anne and Nancy use a metal alloy that is 13.2% copper to make jewelry. How many ounces of (answered by ankor@dixie-net.com)
Anne and Nancy use a metal alloy that is 15% copper to make jewelry. How many ounces of... (answered by robertb)
Anne and Nancy use a metal alloy that is 21.22% copper to make jewelry. How many ounces... (answered by venugopalramana)
Anne and Nancy use a metal alloy that is 24.9% copper to make jewelry. How many ounces of (answered by SHUgrad05)
Anne and Nancy use a metal alloy that is 24.9% copper to make jewelry. How many ounces of (answered by checkley77)
Solve the problem. Anne and Nancy use a metal alloy that is 24.9% copper to make jewelry. (answered by Alan3354)
Anne and Nancy use a metal alloy that is 23.2% copper to make jewelry. How many ounces of (answered by rfer)
Anne and Nancy use a metal alloy that is a 24.9% copper to make jewelry. How many ounces... (answered by ankor@dixie-net.com)
Anne and Nancy use a metal alloy that is 17% copper to make jewelry. How many ounces of a (answered by Fombitz)