selling price of a toy car is Rs540.If the profit made by shopkeeper is 20%,what is the CP of the toy.
Ans int the textbook: CP+20/100 XCP = { 1 +1/5} CP. =6/5CP. 540 x 5/6 CP. 0r 450Rs.
This eg is done in the textbook.page169.Iam not getting how they got this 1.