Question

If the cost price of 18 pens is equal to the selling price of 10 pens the gain percent is

Answer 1

Answer:

let the. cost of I pen =x

cp=18x. Sp=10x

gain=18×-10×

=8x

gain percent=gail/c.p×100

=8x/18x×100

x,x get cancelled

8/18×100

4/9×100

400/9

=44.44 percent