bus a and bus b leave the bus depot at 3pm. bus a takes 25 minutes to do its route and bus b takes 30 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

Bus A reach bus depot at 3.25pm.

Bus B reach bus depot at 3.30pm

Step-by-step explanation:

It is given that Bus A take 25 minutes to do its route. So you have to add 25min to the original time which is 3pm:

3.00 + 0.25 = 3.25pm

Bus B complete its route for 30 minutes:

3.00 + 0.30 = 3 30pm