Question

How many window coverings are necessary to span 50 windows if each window covering is 15 windows long?

Answer 1

The correct answer is:
4.

Explanation:
To find this answer, we divide the number of windows, 50, by the length (in windows covered) of each covering, 15:
$\frac{50}{15} = 3 \frac{1}{3}$.
This means that 3 coverings won't quite be long enough, so we will need 4.