SOLUTION: A mechanic has two antifreeze solutions. One is 70% antinfreeze and the other is 40% antifreeze. How much of each solution should be mixed to make 60 gallons of a solution that is
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Question 343289: A mechanic has two antifreeze solutions. One is 70% antinfreeze and the other is 40% antifreeze. How much of each solution should be mixed to make 60 gallons of a solution that is 52% antifreeze? Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Let A be the amount of 70% antinfreeze, B the amount of 40% antifreeze.
1.
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2.
From eq. 1,
Substitute into eq. 2, gallons
Then from eq. 1, gallons