A light display has three colored lights, each of which flashes on for an instant at regular intervals. The yellow one flashes 6 times per minute, the blue one flashes 10 times per minute, and the red one flashes on 30 times per minute. You see all three lights flash on simultaneously. How much longer must you wait before the three lights flash on simultaneously again? You must wait seconds before the three lights flash on simultaneously again.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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A light display has three colored lights, each of which flashes on for an instant at regular intervals. The yellow
one flashes 6 times per minute, the blue one flashes 10 times per minute, and the red one flashes on 30 times
per minute. You see all three lights flash on simultaneously. How much longer must you wait before the three
lights flash on simultaneously again?
You must wait seconds before the three lights flash on simultaneously again.
Transcribed Image Text:A light display has three colored lights, each of which flashes on for an instant at regular intervals. The yellow one flashes 6 times per minute, the blue one flashes 10 times per minute, and the red one flashes on 30 times per minute. You see all three lights flash on simultaneously. How much longer must you wait before the three lights flash on simultaneously again? You must wait seconds before the three lights flash on simultaneously again.
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