At a bus station, buses begin their routes at 6.am. The schedule for two of the buses is based on time intervals listen below- *Bus A leaves every 75 minutes.

*Bus B leaves every 15 minutes.

What is the next time Bus And Bus B will leave the bus station at the Same time?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?