Question

12. By selling s dozen pencils a shopkeeper gains the selling price of one dozen pencils. Find his gain per cent

please send me picture solution please​

Answer 1

Answer:

We know that S.P. = C.P. + Gain

⇒ S.P. of 8 dozen = C.P. of 8 dozen + S.P. of 1 dozen

⇒ S.P. of 7 dozen = C.P. of 8 dozen

⇒ By selling 7 dozen, he gain 1 dozen

1. Therefore, gain %

Step-by-step explanation:

Therefore, gain % =

7/1 ×100% =14 7)2 %