Problema Solution

If 600 mL of a juice drink is 15% apple juice, how much 100% apple juice should be added to make a drink that is 20% apple juice?

Answer provided by our tutors

let


x = ml of 100% apple juice to be added, x>0


0.15*600 + 1.00*x = 0.20(600 + x)


by solving we find:


x = 37.5 ml


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37.5 ml of the 100% apple juice should be added.