Answer:
22 minutes
Step-by-step explanation:
40--15 =40+15=55
55/2.5=22
590. 2 students
39/60= 65%
65% of 908=590. 2
3 hour and 245 minutes
2 hour and 165 minutes
4 hour and 270minutes
4 hour and 285 minutes
i hope it helps you....