Post a New Question


posted by .

an alloy of metals is 20% copper. another alloy is 50% much of each should be used to make 1000 gram of an alloy that is 45% copper?

  • math -

    total mass: A+B=1000
    copper mass: 1000*.45=.2A+.5B

    solve for A, B

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question