Mathematics, 03.09.2019 03:20 Nelly1828
How many gallons of a 90% antifreeze solution must be mixed with 70 gallons of 10% antifreeze to get a mixture that is 80% antifreeze?
Answers: 1
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How many gallons of a 90% antifreeze solution must be mixed with 70 gallons of 10% antifreeze to get...
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