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.
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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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