Answer:
0.44
Step-by-step explanation:
This is a right angled triangle, so it yields:

The value of <em>adjacent </em>is 39.
We will use the Pythagorean rule to obtain the length of hypotenuse:

Now we can insert that into
:

There are 14 students on 3 of the buses and 8 on the other
I don't know the specific, but It is a little over 2 hours, maybe 2.12 hours maybe.
11 divided by 5 is 2.2 and you multiply that by 2 1/4 which is 2.25 in decimal form. The answer is 4.95