Question

A selling a notebook for ₹22 a shopkeeper gains 10%.The cost price of the book is

Answer 1

1+p/100×sp
1+10/100×22
11/10×22
121/5
₹24.20

Answer 2

We know that,
cost price = (1+profit/100)×Selling price
=(1+10/100)×22
=(110/100)×22
=(11/10)×22
cost price =24.20 Rs
hope it's help you!!!