Question

Q. A person earns Rs. 7200 in 5 days. How much will he earn in 3 weeks?

Answer 1

$\bold{Given : } \\ \\ = > 5 \: days \: = Rs. 7200 \\ \\ \bold{Rupees \: earn \: in \: 1 \: day : } \\ \\ = > 5 \: days \: = Rs. 7200 \\ \\ = > 1 \: day = \frac{7200}{ 5} \\ \\ = > 1 \: day = \frac{ \cancel{7200}}{ \cancel{5}} \\ \\ = > 1 \: day = Rs.1440 \\ \\ </p><p> \bold{To \: find :} \\ \\ </p><p>Rupees \: earn \: in \: 3 \: weeks \\ \\ \bold{Solution :} \\ \\ = > 3 \: weeks = 3 \times 7 = > 21 \: days \\ \\ = > Rs. 1440 × 21 \\ \\ = > \bold{Rs. 30240} \\ \\ Therefore \: a \: person \: can \: earn \: \bold \red{Rs. 30240} \: in \: \\ 3 \: weeks.$