SOLUTION: A chemist mixes 200 milliliters of a solution that is 15% salt with 300 milliliters of a solution that 40% salt. What percent salt is the resulting solution?

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Question 731259: A chemist mixes 200 milliliters of a solution that is 15% salt with 300 milliliters of a solution that 40% salt. What percent salt is the resulting solution?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
How much salt?
How much solution?

Salt Quantity: 0.15%2A200+%2B+0.40%2A300 grams = 150 grams. (%weight per volume is expected)
Solution Quantity: 200%2B300 milliliters = 500 milliliters.

(salt quantity)/(solution quantity)=FractionAsSalt