Mathematics
Mathematics, 03.02.2020 15:50, spalmer8

How much orange juice at 42¢ a liter should be mixed with grapefruit juice worth 32¢ a liter to make 200 liters of a mixture worth 36¢ a liter?

if x represents the amount of orange juice used, then which of the following expressions represents the total cost of the grapefruit juice used?

0.32x
0.32(200 - x)
0.32(x + 200)

answer
Answers: 2

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