Question

a number is first increased by 10% and then reduced by 10%. Find the net increase and decrease percent​

Answer 1

Answer:

1%

Step-by-step explanation:

Let a number be = 1000 Then increase = 10% ∴ Increased number = 100×100100=110 Now decrease = 1% ∴ Decreased number = 110×90100 = 99 ∴ Difference = 100 - 99 = 1 ∴ % decrease = 1%

Answer 2

Answer:

1%

Let a number be = 1000 Then increase = 10% ∴ Increased number = 100×100100=110 Now decrease = 1% ∴ Decreased number = 110×90100 = 99 ∴ Difference = 100 - 99 = 1 ∴ % decrease = 1%