Question

The selling price of 18 notebooks is equal to the cost price of 21 books. Find the gain or loss percent?

Answer 1

Answer:

12(2/3)%

Step-by-step explanation:

profit only

so he gets a profit of 3books

so profit %= (profit/cost price)*100

=( 3/18)*100=50/3%

=12(2/3)%