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An electronic device beeps every 8 seconds. Another device beeps every 10 seconds. If they both start beeping at the same time, how many seconds will it be before the next time …

An electronic device beeps every 8 seconds. Another device beeps every 10 seconds. If they both start beeping at the same time, how many seconds will it be before the next time …
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1 vote
An electronic device beeps every 8 seconds. Another device beeps every 10 seconds. If they both start beeping at the same time, how many seconds will it be

before the next time they beep together?

User Tanjin Alam
by
7.5k points

1 Answer

6 votes

Answer:

18 seconds

Explanation:

8:10 = 4:5, 4+5 = 9, 9 x 2 = 18 seconds :D

User Stimsoni
by
7.8k points
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