SOLUTION: How many gallons of a 60% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 50% antifreeze?
you need to add ___ gallons of a 60% antif
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Question 487016: How many gallons of a 60% antifreeze solution must be mixed with 60 gallons of 25% antifreeze to get a mixture that is 50% antifreeze?
you need to add ___ gallons of a 60% antifreeze solution.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons of a 60% antifreeze solution needed
= gallons of antifreeze in the 60% solution
= gallons of antifreeze in 25% solution
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In words:
( total gallons of antifreeze ) / ( total gallons of solution ) = 50%
150 gallons of 60% antifreeze solution must be added
check answer:
OK
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