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A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide?
A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide?
Answers
Answered by
Damon
.3 x + .5 y = .42(x+y)
and
x+y = 200
so y = (200-x)
.3 x + .5 (200-x) = 84
etc
and
x+y = 200
so y = (200-x)
.3 x + .5 (200-x) = 84
etc
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