Question

if a number is increased by 30% and decreased by 30% the net increase or decrease percentage will be​

Answer 1

Answer:

0% as the increase 30 and even the decrease is 30

Answer 2

The net decrease is 9%

Step-by-step explanation:

if a number is increased by 30% then  decreased by 30% then,

let the number is 100

increase 30%=100+30=130

decrease of 30% on 130

= $\frac{30}{100}\times 130$

= 39

net amount = 130–39=91

So decrease=  100–91 =9

decrease of 9 out of 100

percentage of decrease 9%

hence ,

The net decrease is 9%

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