Question

The cost of a pen and a ball pen are in the ratio of 7:5, If their total cost is Rs. 48,Find the cost of each. ​

Answer 1

Answer:

Let cost of pen be 7x and ball pen be 5x.

7x + 5x = 48

12x = 48

x= 48/12

x=4

cost of pen = 7×4 = ₹28

cost of ball pen = 5 × 4= ₹20