Mathematics, 25.01.2021 23:30 angelaOR

How many gallons of a 90% antifreeze solution must be mixed with 70 gallons of 30% antifreeze mixture get get a mixture that is 80% antifreeze? You need to add gallons of the 90% antifreeze solution.
(Round to the nearest whole number.)

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More questions: Mathematics Another questions

How many gallons of a 90% antifreeze solution must be mixed with 70 gallons of 30% antifreeze mixture get get a mixture that is 80% antifreeze? You need to add gallons of the 90% antifreeze solution. (Round to the nearest whole number.)

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Another question on Mathematics

How many gallons of a 90% antifreeze solution must be mixed with 70 gallons of 30% antifreeze mixture get get a mixture that is 80% antifreeze? You need to add gallons of the 90% antifreeze solution.
(Round to the nearest whole number.)