The ratio of income of two person is 9: 7 and the ratio of their expenditure is 4 : 3 if each of them manage to save RS 2000 per month find their monthly income
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Step-by-step explanation:
their income ratio minus spending ratio = savings ratio 9:7-4:3=5:4
savings of each one= 2000
5x=2000. 4x=2000=500 7x=7*500=3500
x=2000/5
x=500
9x=9*500
=4500rs income for 1st
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