Question

One bus leaves a stop every 15 minutes a second bus leaves the same stop every 20 minutes if they both leave at 3.20 pm at what time will they next leave together

Answer 1

They will both leave a stop at 4:20 pm

Explanation:

They start at 3:20 pm and one bus leaves 15 MIN every stop and the other one at 20 min.

at the times they stop they stop it will be:

15 min. 20 min

3:35. 3:40

3:50. 4:00

4:05. 4:20

4:20