Question

a number is 1st decrease by 25% then increased by 20% what is the net change?

Answer 1

Step-by-step explanation:

let no. be x

25 % of x = 0.25x ,, No left = 0.75x

20 % of 0.75x = 0.15x ,, no formed = 0.90 x

net change = 0.1 x