Question

the ratio of expenditure of a and b is 5:4 as it is not clear.
plz solve it fast

Answer 1

the income of A and B = 4x and 3x respectively
expenditure of A and B =5y and 4y
their savings be 4x-5y and 3x-4y

A/q
4x-5y =1/4 ×4x
x=4x-5y
3x=5y
x=5/3y
the ratio of their savings
4x-5y/3x-4y
4×5/3 y -5y / 3×5/3 ×y -4y
20/3-5 /5-4
20-15/3
5/3
5:3 Ans