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Mathematics 7 Online
OpenStudy (anonymous):

a room measures 3yd wide by 4yd long. how many square yards of carpenting are needed?

OpenStudy (anonymous):

3yd * 4yd = 12yd^2

OpenStudy (anonymous):

thank you so much, but do you know why its ^2?

OpenStudy (anonymous):

3yd * 4yd just like if it were 4x * 5x = 20x^2

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