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400 sq ft. Just multiply 20 by 20 to get the answer.

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15y ago

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A school custodian waxed a gymnasium floor that measured 20 feet by 20 feet how many square feet did she have to wax?

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6 A school custodian waxed a gymnasium floor that measured 20 feet by 20 feet How many square feet did she have to wax?

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