Question

the monthly pocket money of Ravi and Sanjeev are in the ratio 5:7 their expenditure ratio is 9:13 if each saves rupees 40 find their pocket money.​

Answer 1

Answer:

10&14

Step-by-step explanation:

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Answer 2

Answer:

Hi friends

Step-by-step explanation:

ravi's. pocket money=5x

sanj poket money=7x

Ravi's expedenture=9y

sanj expedenture =13y

-7 5x-9y=40

5 7x-13y=40

-35x+63y=-280

35x-65y=200

-2y=-80

y=40

5x-9(40)=40

5x-360=40

x=(40+360)/5

x=80

5x=5*80=400

7x=7*40=280