Question

4 The ratio of the income to the expendition
of a family is7:6 find the saving if the income
is 21000
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Answer 1

Given: ratio of income to expenditure is 7:6

also income is 21000

let income be 7x and expenditure be 6x

ATQ: 7x=21000

x= 21000/7= 3000

so income is 21000 and expenditure is 6×3000= 18000

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