Question

If the cost of 5 notebooks is Rs. 87.5. Find the cost of 8 such notebook

Answer 1

5 notebook-------87.5
1 notebook------87.5/5

Then
8notebook------87.5/5×8
=rs.140

Answer 2

Answer:

If the cost of 5 notebooks is Rs. 87.5 then cost of 1 notebook is Rs. 17.5. Hence, the cost 8 such notebooks is Rs. 140