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

User Demodave
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Hey there, all you do is multiply 20 by 20, 20×20=400. Therefore, the answer is 400 square feet.
User Atiyah
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