Question

the cost price of 12 pens is equal to the selling price of 18 pens find gain or loss percent​

Answer 1

cost price=x,selling price=y

12x=18y

x/y=3/2

x=3k. y=2k

loss percentage=100×3k-2k/3k

=100/3

=33.33percent

hope it will help you plz mark me as brainlist.