Question

The cost of an article is first increased by 20% and then decreased by 30% , find the percentage change in the cost of the article .​

Answer 1

Answer:

16%

Step-by-step explanation:

cp initial = 100 then increases therefore now cp = 120

next 30% decrease so cp= 84 hence net change in cp = 100-84=16%

Answer 2

Answer:10

Step-by-step explanation:

Since first the percentage increased by 20,therefore percentage change=20%.After it was decreased by 30,therefore final percentage change =30-20 = 10%