Question

a number is first increased by 20% and then decreased by 15%. find the net increases or decrease percent.

Answer 1

Let the net increase be x
20+x
15-x
20+x=15-x
20-15=-x-x
5=2x
x= 2.5

I hope this will help

Answer 2

hey here is your answer,

let the no. be 100

increase no be 10℅

increased no = 100 + 20 = 120

now, decrease = 15 ℅ of 120 = 18

new no. = 120 - 18

= 102

net increase = 102 - 100

2 ℅

hope it's helps you

thank you

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