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a rectangle has an area of 48 in square every dimension of the rectangle is multiplied by a scale factor and the new rectangle has an area of 12 inches square what is the scale factor

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jhonyy9

area of a rectangle is width time length so A = wl

we know that 48 = wl and than we multiplied every dimensions of the rectangle by a scale factor x so  wlx the new area will be equal 12 inches square 

wl=48
xwl = 12

x48=12

x = 12/48 = 1/4 

so than result that this scale factor is equal 1/4 

hope helepd

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