Question

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

Answer 1

We know that
If each window covering covers 15 windows, and there are a total of 50 windows to be covered,
it will take -------> 50/15=3.33  windows coverings 
So,
you need more than 3 coverings,
and so take the next whole number --------> 4 window coverings

the answer is
4 window coverings