3 years ago

how much pure antifreeze must be added to 12 gallons of 10% antifreeze to make 70% antifreeze solution

Mathematics

1 answer:

Fiesta28 [93]3 years ago

6 0

(0.10 x 12) + 1.00 y = .5 (12 + y)

1.2 + 1.00 y = 6 + .5 y

.5 y = 4.8

y = 9.6 gallons

<span>The answer is D</span>

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