SOLUTION: how much of an alloy that is 10% copper should be mixed with 500 ounces of an alloy that is 70% copper in order to get an alloy that is 20% copper?
Algebra ->
Customizable Word Problem Solvers
-> Misc
-> SOLUTION: how much of an alloy that is 10% copper should be mixed with 500 ounces of an alloy that is 70% copper in order to get an alloy that is 20% copper?
Log On
Question 269725: how much of an alloy that is 10% copper should be mixed with 500 ounces of an alloy that is 70% copper in order to get an alloy that is 20% copper? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! In words:
(ounces of copper in final mixture)/(ounces of final mixture)= 20%
Let = ounces of 10% copper alloy needed
2500 ounces of 10% copper alloy are needed
check:
OK
