Question

Bus a and bus b leave the bus depot at 6pm bus A takes 20 minutes to do its route and bus B takes 45 minutes to complete its route at what time are they both back at the bus depot together

Give your answer as a 12-hour clock time

Answer 1

9:00pm

Explanation:

20 + 20 + 20 +20 + 20 + 20 + 20 + 20 +20 = 180

45 + 45 + 45 + 45 = 180

Bus A would've taken 9 routes and Bus B would've taken 4, to reach the bus depot together

180 mins - hours = 3 hours

6 + 3 = 9