Question

A man earns $₹500$ in $20$ days How much will he earn in $30$ days $?$

Answer 1

Step$1:$ Find the earning of a man in$30$ days

Given$,$ A man's earning in $20$ days $=$$₹500$

Step $2:$ Now find the earning of a man in $1$ day using unitary method.

A man's earning in $20$ days $=$$₹500$

A man's earning in $1$ day $=\frac{500}{20}$

$=25$

A man's earning in $30$ days $=25\times 30$

$=750$

Hence, a man can earn $₹750$ in $30$ days.