SOLUTION: A solution containing 30% insecticide is to be mixed with a solution of 50% insecticide to make a 200L solution containing 42% insecticide. How much of solutoin is used
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Question 196272: A solution containing 30% insecticide is to be mixed with a solution of 50% insecticide to make a 200L solution containing 42% insecticide. How much of solutoin is used Answer by solver91311(24713) (Show Source):
So .3x is the amount of pure insecticide in the 30% solution, .5(200- x) is the amount pure insecticide in the 50% solution, and .42(200) is the amount of pure insecticide in the mixture, so:
