A bell rings every 15 minutes and a whistle is blown every 18 minutes. The bell is rung and the whistle is blown at 8:00 am. How long will it be before the bell is rung and the whistle blown at the same time again?
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the bell must have rung at 7:45 and whistle at 7:48
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Answer:
In 90 Minutes the whistle and bell will ring at the same time.
Step-by-step explanation:
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