The length and breadth of a rectangle are 60 cm and 40cm respectively. If the length is increased by 30% and the breadth is decreased by 20% find the new length and breadth of the rectangle.
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length=60cm
breadth=40cm.
length after being increased by 30 percent =30/100*60=18
=60+18=78
breadth after being decreased by 20 percent = 20/100*40=8
40-8=32
thus the new length is 78 and new breadth is 32
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