Question

the cost of an article is first increased by 20% and then decreased by 8% find the percentage change in the cost of the articles

Answer 1

Step-by-step explanation:

let the cost of the article be 100

then increased in prose is 20/100*100+100=120

so 20rupees increased. then decreased by 120-8/100*120=48/5=9.6 so original price=120-9.6. answer

Answer 2

Answer:

Step-by-step explanation:

increase in price is 20% hence new price is 20% of 100 =20 so new price would be 100+20=120. Afterward there is a decrease of 30 % in price from 120 rs, hence 30% of 120 is 36 so new price would be 120–36 = 84.

Hope it's help you