Question

If $25$ metres of cloth costs $Rs337.50$, then
What will be the cost of $40$ metres of the same type of cloth?

Answer 1

$25$ meter clothe costs $=Rs337.50$
$1$ meter clothe cost $=\frac{337.5}{25}=Rs13.5$
$40$ meter clothe cost $=13.5\times 40=Rs540$