the incomes of Rajesh and Mahesh are in the ratio 7:9 and their savings are in the ratio 5:7. what is the ratio of their expenditures in the same order, if Mahesh saves two third of his income?
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9a) the ratio of their expenditures is to be calculated.
(b) Let the incomes of Rajesh and Mahesh be 7x and 9x, and their savings be 5y and 7y.
(c) Given `7y=(2)/(3)(9x)` find `(x)/(y)`
(d) Ratio of their expenditures`=(7x-5y):(9x-7y)`
`=[7((x)/(y))-5]:[9((x)/(y))-y]`