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How many gallons of a 50% antifreeze solution must be mixed with 80 gallons of 25% antifreeze to get a mixture that is 40% antifreeze
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Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.
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How many gallons of a 50% antifreeze solution must be mixed with 80 gallons of 25% antifreeze to get...
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