Question

If the cost of $7m$ of cloth is$₹1470$, find the cost of $5m$ of cloth.

Answer 1

Find the cost using unitary method

The cost of $7m$ of cloth$=₹1470$

$\therefore$The cost of $1m$ of cloth$=\frac{1470}{7}$

$=₹210$

So the cost of $5m$of cloth$=5\times 210$

$=₹1050$

Hence the cost of $5m$ of cloth is $₹1050$