SOLUTION: How many quarts of water must be added to 5 qt of an 80% antifreeze solution to make a 50% antifreeze solution?
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Question 201458: How many quarts of water must be added to 5 qt of an 80% antifreeze solution to make a 50% antifreeze solution?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
water=0%
0x+.8(5)=.5(5+x)
4=2.5+.5x
1.5=.5x
x=3 gts of water
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check
0(3)+.8(5)=.5(5+3)
4=4
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