if length of rectangle increases by 15 % and breadth decreases by 15 %,than percentage change in area?
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b=10;l=20
area=200
after changing b=11.5;l=17
area=195.5
so, 2.25% decrease
area=200
after changing b=11.5;l=17
area=195.5
so, 2.25% decrease
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