Question

a bookseller sold book for rupees 70 at gain of 40% .find the pprofit?​

Answer 1

Answer:

Profit is Rs. 20.

Solution:

Selling price = Rs. 70

Gain = 40%

Formula for selling price:

Sp = (100 + gain%)/100 * CP

=> 70 = 140/100 * x

=> x = (70 * 100)/140

x = Rs. 50.

Cost price is Rs. 50. Profit = 70 - 50 = Rs. 20

...

hope it helps you ☺️

Answer 2

Answer:

Solution:

Selling price = Rs. 70

Gain = 40%

Formula for selling price:

Sp = (100 + gain%)/100 * CP

=> 70 = 140/100 * x

=> x = (70 * 100)/140

x = Rs. 50.

Cost price is Rs. 50.

Profit = 70 - 50 = Rs. 20

Hope you understood....