Question

10. The ratio of the income to the expenditure
of a family is 10 : 8. If the expenditure is
72,000, what is the income?​

Answer 1

Answer:

90000 is the answer.

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Step-by-step explanation:

10:8::x:72000

8x = 720000

x = 90000

Answer 2

Answer:

90000

Step-by-step explanation:

let income and expenditure be 10x,8x respectively

ATQ

8x=72000

Therefore x=9000

So income =10x=90000

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