Question

Danny had 20 minutes to do a three-problem quiz. He spent 9 1/4 minutes on question A and 5 4/5 minutes on question B. How much time did he have left for question C?

Answer 1

4 19/20

Explanation:

9 1/4 + 5 4/5 = 15 1/20

20- 15 1/20 = 4 19/20