Two runners run around a circular track. The first runner c…
Two runners run around a circular track. The first runner can complete a lap in 18 minutes. The second runner completes a lap in 21 minutes. a. If both runners start together at 9:30 am, how many minutes will pass until they are at the start together again? [a] b. If both runners start together at 9:30 am, what TIME will they be at the start together again? [b]
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