Mathematics
Mathematics, 14.12.2021 23:40, cvbnkifdfg

An 18-quart cooling system is checked and found to be filled with a solution that is 40% antifreeze. The desired strength of the solution is 60% antifreeze. How many quarts of solution need to be drained and replaced with pure antifreeze to reach the desired strength?

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An 18-quart cooling system is checked and found to be filled with a solution that is 40% antifreeze....

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