Question

A family of 5 persons can be maintained for 20 days with ₹2,480. Find, how long will ₹6,944 maintain a family of 8 persons? direct and inverse variations

Answer 1

Given

Total members in 1st case(M) =5
Day(D) =20
Money(₹) =₹2480


In case 2nd members(m) =8

Money(Rs) =₹6944

To find days in 2nd case=d


Using
MD/₹ =md/rs

$\frac{5 \times 20}{2480} = \frac{8 \times d}{6944}$


$d = \frac{5 \times 20 \times 6944}{8 \times 2480}$

d=35days


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