monthly pocket money of ravi and sanjeev are in the 5:7. their expenditures are in the ratio 3:5. if each saves rupees 80 every month find their monthly pocket money. plzz help me to do this
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let pocket money=x
expenditure=y
therefore, 5x-3y=80
7x-5y=80
solving both the equations we get:
y=40 and x=40
thus their monthly pocketmoney is 40 rupees
expenditure=y
therefore, 5x-3y=80
7x-5y=80
solving both the equations we get:
y=40 and x=40
thus their monthly pocketmoney is 40 rupees
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