Question

A shopkeeper sells a pen for Rs 13.20 to gain a profit of 10% In order to gain a profit of 15% should have sold it for

Answer 1

Answer:

13.80

Step-by-step explanation:

let the cp be x

profit = 13.20 -x

profit percent = 13.20 -x/x * 100 = 10

x=12 = cp

let the sp be y

profit = y-12

profit percentage = y-12/12*100=15

y=13.80=answer