Question

22. By selling 8 dozen pencils, a shopkeeper gains the selling price of one dozen pencils. Find
his gain per cent.
Hint. (SP of 8 dozen pencils) – (CP of 8 dozen pencils) = SP of 1 dozen pencils
SP of 7 dozen pencils = CP of 8 dozen pencils.
Let the CP of 1 dozen pencils be * 1.​

Answer 1

Step-by-step explanation:

Let SP of 1 dozen pencils = x.

SP of 8 dozen pencils = 8x.

CP of 8 dozen pencils =