Question

a bell rings every 20 second and another rings every 80 seconds. at 2 pm the bell rings tighter. at what time will the bell rings again at the same time? do the solution​

Answer 1

Step-by-step explanation:

80 secs

as lcm is 80

2. 20. 80

2. 10. 40

2. 5. 20

2. 5. 10

5. 5. 5

1. 1

2x2x2x2x5 80

Answer 2

Answer:

The bell rings again at 3.20 p.m

Step-by-step explanation:

we should take LCM For 20, 80