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OpenStudy (anonymous):
a rectangle is twice as long as it is wide . if its length is decreased by 4 and its width is decresed by 2, its area is decreased by 24. find its original diemensions
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OpenStudy (ajprincess):
|dw:1344186380973:dw||dw:1344186411509:dw| Area A=length*width=2w*w New area A1=(2w-4)(w-2) A-24=A1 2w*w-24=(2w-4)(w-2) solve this to find w. then use l=2w to find l. Can u do?
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