Question

The unit rate of $297$words for $5.5\mathrm{minutes}$ is ?

Answer 1

Find the required rate:

It is given that in $5.5\mathrm{minutes}$, words are $297$

So, in $1\mathrm{minute}$, words must be $=\frac{297}{5.5}$

$=54$

Hence, the unit rate of $297$words for $5.5\mathrm{minutes}$ is $54$ words per $\mathrm{minute}$.