Question

an electronic device makes a beep every 15 minutes and another electronic devic e makes a beep every 20 minutes. If they bepped together at 6:00 a.m., at what time will they beep next together

Answer 1

Answer:

7:00AM

Step-by-step explanation:

A beeps at

6:00

6:15

6:30

6:45

7:00

B beeps at

6:00

6:20

6:40

7:00