Question

The cost of $1$ litre of milk is $Rs20\frac{2}{5}$ Find the cost of $5$ litres of milk?

Answer 1

$costof1litremilk=Rs.20\frac{2}{5}$

$Therefore,costof5litresofmilk=5\ast \left(20\frac{2}{5}\right)$

$=5\times 20.4$

$=Rs.102$