Four bells began to toll at 5, 8, 9, and 10 seconds respectively. In 2 hours, how many times will they toll together?
Question
Solution 1
To solve this problem, we first need to find the least common multiple (LCM) of the four numbers, which represent the intervals at which each bell tolls. The LCM of 5, 8, 9, and 10 seconds is 360 seconds, or 6 minutes. This means that all four bells will toll together every 6 minutes.
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