Question

By selling 80 ballpens for rs.140 a retailler losses 30%.How many ballpens should he sell for rs.104 so as to make a profit of 30%?

Answer 1

Step-by-step explanation:

70% = 140

100% = 200

CP of 80 pen = 200 rs.

CP of 1 pen = 200/80= 2.5 rs.

now

to gain @30%

2.5× 130/100= 3.25

pen he sold in 104 rs. = 104/3.25

= 32