Question

The monthly pocket money of Ravi and Sanjeev are in the ratio 5:7.Their expenditures are in the ratio 3:5.If each saves Rs80 every month,find their monthly pocket money.​

Answer 1

Answer:

The monthly pocket money of Ravi  = Rs200

The monthly pocket money of Sanjeev  = Rs280

Step-by-step explanation:

Let the monthly pocket money of Ravi = Rs.5x

Let the monthly pocket money of Sanjeev = Rs.7x

According to the question :-

5x-80/7x - 80 = 3/5

=> 5(5x-80) = 3(7x - 80)

=> 25x -400 = 21x - 240

=> 25x - 21x = 400-240

=> 4x = 160

=> x = 40

So,

The monthly pocket money of Ravi = 5x = 5*40 = Rs200

The monthly pocket money of Sanjeev = 7x = 7*40 = Rs280

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