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 Question from Rose, a student: A shopkeeper receives 12.5% (12 1/2 %) commission on the sale of books from the publisher. In a certain month,he receives a commission of rs.250 from the publisher. How much was his sale for that particular month?? Please help me solving this problem.

Hi Rose,

Suppose his sales for the month were rs.$S$ then his commission would be rs.$0.125 \times S.$ but you know his commission was rs.250. Solve for $S.$

Penny

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