Question 815425
a = volume of 45% drink (pints)
b = volume of 70% drink (pints)
45a + 70b = 55*170 = 9350
a + b = 170
a = 170 - b
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45a + 70b = 9350
45(170 - b) + 70b = 9350
7650 - 45b + 70b = 9350
7650 + 25b = 9350
25b = 1700
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b = 68 pints
a = 102 pints
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