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The length of a rectangle is increased by 10% and its width is reduced by 20%. Express the area of ​​the new rectangle as a percentage of the area of ​​the initial rectangle

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nmesomachinwagwu

Answer:

A= (l+0.1l)*(b-0.2b)

Step-by-step explanation:

let the length and width be l and b

length= l +(10/100*l) = l+0.1l

width= b-(20/100*b)= b-0.2b

thus the area would be

A= (l+0.1l)*(b-0.2b)

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