Question

The ratio of the income to the expenditure of a family is 9:4.find the income if the savings are rupees 7200 in mathematics question nine

Answer 1

let the income be 9A

the expenditure be 4A,

then

savings=income-expenditure,

savings=9A-4A=5A,

now according to the question, we get

5A=7200,

then

A=7200/5,

A=1440,

therefore

income=9A=9×1440,

=12960