The monthly income of a and b are in the ratio of 3 : 2, and their expenditures are in the ratio of 5 : 3. If each of them saves rs. 1000 a month, then what is the income of a?
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Step-by-step explanation:
Let income of a be 3x and b be 2x
and according to the question their investment be 5y and 3y respectively.
ATQ........
3x - 5y = 1000 ......... (1)
2x - 3y =1000.......... (2)
x = [1000+3y]/ 2 (from eq 2)
putting the value of x in eq 1 we ge :-
3* [1000+3y]/2 - 5y = 1000
=> y = 1000
x =( 1000 + 3000 )/ 2
= 2000
income of b = 2x = 4000
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