Problema Solution

If one juice contains 20% fruit juice and another contains 70%, how many pints of each would be needed to make 40 pints of a mixture that contains 55% fruit juice?

Answer provided by our tutors

Let

x = pints of 20% fruit juice

y = pints of 70% fruit juice

x + y = 40

0.20x + 0.70y = 0.55*40

........

click here to see the system of equations solved for x and y

........

x = 12 pints

y = 28 pints

12 pints of 20% fruit juice and 28 pints of 70% fruit juice would be needed.