Question

If a number is first increased by 20% than decreased by 20% find the total increase or decrease in the number

Answer 1

Answer:

+20-20-20x20/100 =-4

4% decrease in the number

Answer 2

Answer:

the number decreases by 4 %

Step-by-step explanation:

number = x

fist increase , number becomes x + 0.2x  = 1.2x

second decrease , number becomes (1.2x) - 0.2 ( 1.2x) =  0.96x

the number decreases by 4 %