SOLUTION: how many gallons of 90% antifreeze solution must be mixed with 90 gallons of 30% antifreeze to get a mixture that is 80% antifreeze
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Question 411740: how many gallons of 90% antifreeze solution must be mixed with 90 gallons of 30% antifreeze to get a mixture that is 80% antifreeze
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = gallons of 90% antifreeze needed
450 gallons of 90% antifreeze are needed
check:
OK
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