SOLUTION: A mechanic has a supply of 25% antifreeze solution and 50% antifreeze solution. How much of each should be mixed together in order to have 20 gallons of a 35% antifreeze solution

SOLUTION: A mechanic has a supply of 25% antifreeze solution and 50% antifreeze solution. How much of each should be mixed together in order to have 20 gallons of a 35% antifreeze solution

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Question 897498: A mechanic has a supply of 25% antifreeze solution and 50% antifreeze solution. How much of each should be mixed together in order to have 20 gallons of a 35% antifreeze solution
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a+b=20
0.25*a+0.5*b=0.35*20
a=12., b=8.
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