how many 0z of a metal containing 90% copper must be combined with 3 0z of purecopper to form an alloy containing 92% copper?

1 answer

It's almost the same as the silt/soil problem.

Let x be the volume of metal in oz needed, then

(0.9x+3)/(x+3)=0.92
Solve for x.
Do not forget to distribute when you cross multiply.
Similar Questions
    1. answers icon 1 answer
  1. Can you show work por favor? :)A metalworker has a metal alloy that is 20% copper and another alloy that is 60% copper. How many
    1. answers icon 2 answers
  2. True or False?a) wet metallic copper can be rinsed with acetone to help any remaining cation to metal reduction occur b)copper
    1. answers icon 2 answers
    1. answers icon 3 answers
more similar questions