SOLUTION: Ann and Nancy use a metal alloy that is 17.3% copper to make jewelry. how many ounces of a 17% alloy must be mixed with a 18% alloy to form 80 ounces of the desired alloy?

Question 431344: Ann and Nancy use a metal alloy that is 17.3% copper to make jewelry. how many ounces of a 17% alloy must be mixed with a 18% alloy to form 80 ounces of the desired alloy?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
percent ----------------quantity
Alloy I 17 ----------------x ounces
Alloy II 18 ----------------80-x ounces
Total 17.30% ---------------- 80 ounces
17x+18(80-x)=17.3*80
17x+1440-18x=1384
17x-18x =1384-1440
-x=-56
x=56 ounces 17.00%
24 ounces 18.00%

RELATED QUESTIONS
Anne and Nancy use a metal alloy that is 17% copper to make jewelry. How many ounces of a (answered by Fombitz)

Anne and Nancy use a metal alloy that is 17.3% copper to make jewelry. How many ounces of (answered by lwsshak3)

Anne�and�Nancy�use�a�metal�alloy�that�is�19.52%�copper�to�make�jewelry.�How�many�ounces�of (answered by josgarithmetic)

Anne and Nancy use a metal alloy that is 17.3% copper to make jewelry. How many ounces of (answered by greenestamps)

Anne and Nancy use a metal alloy that is 15.04% copper to make jewelry. How many ounces... (answered by nerdybill)

Solve the problem. You must write two equations with two variables and show steps to... (answered by ikleyn)

Solve the problem. You must write two equations with two variables and show steps to... (answered by ikleyn,stanbon)

anne and nancy use a metal alloy that is 17 percent copper to make jewerly. how many... (answered by TimothyLamb)