Question

a number is increased by 15 percent and then deceased by 10 percent. fond the net increase or decrease percent cent​

Answer 1

Let the number be x

We are given that number is increased by 15 %

New number =  x+15/100x = 1.15x

Now number is decreased by 10%

New number =  1.15x - 10/100(1.15x) = 1.035x

Percentage increase =  1.035x/x × 100 = 103.5%

Hence Percentage increase is 103.5%

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