Question

the ratio of income to the expenditure of a family is 11:7.find the income if the savings of the family is Rs.480

Answer 1

Solution:

Given: The ratio of income and expenditure: 11:7.
 Let the ratio be in terms of x,.
11x:7x

The income and the savings of the family is Rs.480
7x=480
x=480/7..(i)

Then,income = 11x
                        = 11(480/7)
                        = 5280/7
                        = 754.285714..
                        ≈Rs.754.29