Question

the monthly pocket money of Ravi and Sanjeev aur in the ratio 5 is to 7 their expenditures are in the ratio 3 is to 5 if each saves 80 rupees every month find the monthly pocket money​

Answer 1

Answer:

Ravi's pocket money = 5x

Sanjay's pocket money = 7x

Ravi's expenditure = 3y

Sanjay's expenditure = 5y

5x - 3y = 80 ..... (1)

7x - 5y = 80 ..... (2)

(a)5 - (b)3

25x - 15y = 400

21x - 15y = 240

x = 40

therefore,

5x = 5 * 40 = 200

7x = 7 * 40 = 280.

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Answer 2

Answer:

Hope it helps.......

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