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math problem with length

a rectangle has an area of 12 m and a width of 400 cm. what is the length of the rectangle ?

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Karin S. | Reasonable and Reliable Math Tutor Reasonable and Reliable Math Tutor
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In this problem, you must be careful w the units. 400cm is 4 meters. So the area is length times width. Therefore the length is 12/4 or 3 meters.