Question

The cost of a dozen eggs is Rs. a. Find the cost of seven eggs.

Answer 1

Cost of dozen eggs i.e. 12eggs is Rs.a
Cost of 7eggs=Rs.7a/12

Answer 2

Hello friend,
cost of 1 dozen or 12 egg=Rs. a
cost of 1 egg=Rs.a/12
cost of 7 egg=Rs. 7a/12
hope it helps.