SOLUTION: purple punch is made by mixing red juice and blue tonic soda. a perfect purple punch is 50% red and 50% blue. if i have 2 liters of punch which is 70% blue ( and 30% red). how much

Question 821735: purple punch is made by mixing red juice and blue tonic soda. a perfect purple punch is 50% red and 50% blue. if i have 2 liters of punch which is 70% blue ( and 30% red). how much red juice do I need to add to make perfect purple punch
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
.70*2=.5*(x+2)
x = 0.8
add .8 liters of red to make it half and half.
you now have 1.4 liters of blue
and .6 liters of red
if you add .8 liters red to the .6 liters red you will have 1.4 liters of each

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