Keegan is in school for 7.5 hours each day and he is taking 7 classes. He has history and chemistry classes for a combined total of 1.5 hours. How many minutes does Keegan spend in one of his other classes on average?
Let's think step by step.
72
He has 7 - 2 = 5 other classes.

7.

5 hours - 1.

5 hours = 6 hours.

6 hours = 360 minutes.

360 / 5 = 72 minutes.

Keegan spends 72 minutes in one of his other classes.

.

The final answer: 72