Asked by I need help

How many ounces of other metal must be added to 56 ounces of pure silver to make a composition that is 70% silver?

Please help me set this problem up

Answers

Answered by JJ
56/(56+x) = 70/100

silver/(silver + additive)
silver / total weight

is 70% or 70/100

56/(56+x) = .7

Cross multiply and solve for x
Answered by I need help
Thank you!
Answered by JJ
You are welcome.
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