Question

If a boy sell a book for 450 he make a loss of 10 percent . To gain 10 percent, what should be the selling price?

Answer 1

Step-by-step explanation:

Selling Price =450

Cost price =450×100/90

=500

10%profit on cost price =500×10/100

=50

To gain profit of 10% selling price must be 500+50=550