Question

the ratio of the income to the savings of a family is 15:4.find the expenditure if the saving is rupees2800

Answer 1

let the income be X,

15/4 = X / 2800

4x = 2800 × 15

X = 2800 × 15/4

X = 700× 15

X = ₹10500

Expenditure = income - savings
= 10500 - 2800

= ₹7,700
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so, ₹7,700 is the expenditure.
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Mark brainliest if it helps, Thanks.