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Mathematics 8 Online
OpenStudy (anonymous):

Estimate the length of one side of a square floor, if the area is 320 square feet. Give the whole number that is closest to the amount.

OpenStudy (mathstudent55):

10 x 10 = 100 too small 20 x 20 = 400 too big 17 x 17 = 289 too small 18 x 18 = 324 small but close

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