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22-03-2018
Mathematics

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a rectangle has an area of 40cm. the dimensions of the rectangle are multiplied to form a new rectangle with an area of 160cm. by what number were the dimensions multiplied?

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baileyavery baileyavery

22-03-2018

the first rectangle has a length of 20cm and a width of 2cm for the area to be 40cm. so, the dimensions must be multiplied by 4 to equal 160cm.

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