Question 568250: ken is mixing fruit punch, it is suppose to be 30% orange juice. So far, ken has mixed two pints of cranberry juice, one pint of orange juice, amd one pint of ginger ale, how much orange juice needs to be added?
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! ken is mixing fruit punch, it is suppose to be 30% orange juice. So far, ken has mixed two pints of cranberry juice, one pint of orange juice, amd one pint of ginger ale, how much orange juice needs to be added?
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let x=pint of orange juice to be added
Originally, orange juice was 25% or 1/4 of the mixture:
To change the mixture to 30%, we must add x pints of orange juice:
(1+x)/(4+x)=30%=.3
1+x=1.2+.3x
.7x=.2
x=2/7
ans:
orange juice needs to be added=2/7 pints
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