man buys a article with 20% discount on original price.he makes a profit of 20% by selling it at rs 720.what is original price of article?

1 answer

Cost = 0.8P.

0.8P + 0.2*(0.8P) = 720.
P = $750 = Original price.

90.8P = 720.
0.8P + 0.16P = 720,
P = $750. = Original price.