Question

The ratio of monthly income of A and B is 3:4 and the ratio of their monthly savings is 7:8, if the income of A is equal to twice the expenditure of B, then what is the ratio of the expenditure of A and B

Answer 1

Step-by-step explanation:

let income is in ratio 3x:4x

saving is in the ratio 7y: 8y

according to question 3x=2(4x-8y)

by solving x/y = 16/5

multiplying the value

3×16 : 4×16 income ratio

5×7 : 5×8 saving ratio

Exp= income - savings

13 : 24