Answer:

The answer is 8:14

Step-by-step explanation:

Every 2 Minutes ; 8:02, 4, 6, 8, 10, 12, 14

Every 3 Minutes ; 8:02, 5, 8, 11, 14

Answer:

Bell A rings every 7 minutes

Bell B rings every 6 minutes

Bell A and B rings together at 8:05p.m.

Question:When will they rings together again?

first, find the LCM of 7 and 6

7-7, 14,21,28,35,42,49,

6-6, 12,18,24,30,36,42,48,

The LCM of 7 and 6 is 42

Therefore, Bells A and Bells B will ring together again in 42minutes or 8:47p.m.

Step-by-step explanation:

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