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John has two beepers, red and green. The green beeper beers every 35 seconds and the red beeper beeps every 45 seconds. After how many seconds will both beepers been at the same…

John has two beepers, red and green. The green beeper beers every 35 seconds and the red beeper beeps every 45 seconds. After how many seconds will both beepers been at the same…
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3 votes
John has two beepers, red and green. The green beeper beers every 35 seconds and the red beeper beeps every 45 seconds. After how many seconds will both beepers been at the same time?

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User James Brady
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2 Answers

3 votes
you will get 5.25 minutes
answered
User Mahendra
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7.5k points
5 votes

Answer: find lcm of 35 and 45, which is 315. Convert 315 seconds to minutes, and you will get 5.25 min.

answered
User Mohammad Najar
by
8.5k points
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