The Length of a Rectangle is increased by 30% then by what percent should its Breadth be decreased so that area increases by only 17%
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Answer:
decrease by 4%
Step-by-step explanation:
Let the length of rectangle is x and breath is y therefore area =xy
New length=x +30%of x=13x/10
New breath=y-20%of y=8y/10
New area =13x*8y/100=104xy/100
Change in area=104xy/100-xy=4xy/100
Change percentage=[(4xy*100)/xy*100]%
=4%
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