Question

1 b. Sarah roller skates with a constant speed of 16 miles per hour. How far can she travel in 150 minutes?

Answer 1

Given:

Speed, s=16 miles/hour

Time, t=150 minutes.

The objective is to find the distance d.

Let's convert the speed as miles/minute.

It is known that 1 hour=60 minutes.

$\begin{gathered} \text{speed, s=}\frac{16}{60} \\ s=\frac{16}{60}\text{ mile/minute} \end{gathered}$

Now, find the distance.

$\begin{gathered} d=s\cdot t \\ d=\frac{16}{60}\cdot150 \\ d=\frac{240}{60} \\ d=4 \end{gathered}$

Hence, the distance travelled by sarah is 4 miles.