SOLUTION: A chemist needs to mix 75% salwater solution with a 50% saltwater solution to obtain 10 gallons of a 60% saltwater solution. How many gallons of each of the solutions must be used
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Question 220219: A chemist needs to mix 75% salwater solution with a 50% saltwater solution to obtain 10 gallons of a 60% saltwater solution. How many gallons of each of the solutions must be used?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
.75x+.5(10-x)=.6(10)
.75x+5-.5x=6
.25x=1
x=4 gal of 75%
x-4=6 gal of 50%
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