Question 72

What is the cost of 27.5 m of cloth at Rs. 53.50 per metre?

By unitary method,
Cost of $1$ m of cloth Rs. $53.50$
Cost of $27.5$m of cloth $=Rs.(53.50\times 27.5)$
$=Rs.(\frac{5350}{100}\times \frac{275}{10})=Rs.\left(\frac{1471250}{1000}\right)=Rs.1471.25$