Question 710162: There is 20 gallons of 20% o.j. How many gallons must be mixed with 80% o.j. to make the mixture have 50% o.j. drink? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = gallons of 80% OJ needed = gallons of OJ in 80% OJ gallons of OJ in 20% OJ
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20 gallons of 80% OJ is needed
check:
OK
