2 years ago

The monthly income and monthly

1 answer:

6 0

Answer:

The annual income of A and B are in the ratio 3 : 4. If the income of A is 3x, the income of B is 4x. Their annual expenditure is in the ratio 5:7, if A's expenditure is 5y, B's expenditure is 7y. Each of them saves 15000 per month.

Step-by-step explanation:

=> 3x - 5y = 15000 and 4x - 7y = 15000

3x - 5y = 15000

=> y = (3x - 15000)/5

Substituting...

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