Answer:
latest time he should get up in the morning 6:10 A.M
Step-by-step explanation:
given data
reach school at = 7:10 A.M
shower time = 20 minute
eat breakfast = 15 minutes
bus ride to school = 25 Minute
solution
we get here first total activity time after wake up to reach school is
total activity time = 20 + 15+ 25
total activity time = 60 minutes = 1 hour
so Hung must get up in the morning 1 hour before reach at school so he will be fit to arrive on time that is 7:10 - 1.00 = 6:10