Mathematics, 15.12.2021 01:00 sandstorm163

PLEASE HELP THANK YOU 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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PLEASE HELP THANK YOU An 18-quart cooling system is checked and found to be filled with a solutio...