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25-06-2021
Mathematics

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How many quarts of pure antifreeze must be added to 8 quarts of a 10% antifreeze solution to obtain a 60% antifreeze solution

How many quarts of pure antifreeze must be added to 8 quarts of a 10 antifreeze solution to obtain a 60 antifreeze solution class=

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Аноним Аноним

25-06-2021

Answer:

10 quarts

Step-by-step explanation:

.1(8) + 1(x) = .6(x + 8)

.8 + x = .6x + 4.8

.4x = 4

x = 10

10 quarts

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