the ratio of income to the expenditure of a family is 9:4. find the income if the saving is ruppes 3600???

Since the ratio of income to the expenditure of a family is 9:4.
So, suppose the income and expenditure are 9x and 4x respectively.
Then saving amount = 9x - 4x = 5x
And the given saving amount is Rs.3600. so we have;

Therefore the income = $9×720$ = Rs.6480

• 7

9/13x-4/13x=3600

5/13x=3600

x= 3600*13 /5 = 9360

So Income = Rs. 9360

• -1
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