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A bulb on a Christmas tree flashes once every 10 seconds. Another bulb
flashes once every 15 seconds. If they are flashing together now, how long will
it take for the two bulbs to flash together again?
Answers
Answered by
2
Answer:
30 SECONDS
Step-by-step explanation:
Answered by
1
Answer:
the three bulbs will flash together after 120 seconds
Step-by-step explanation:
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