Ask Question
27 December, 00:07

Two traffic lights turn red together at exactly 5:00 pm. One light is on a 36-second cycle from red back to red while the other is on a 48-second cycle. At what time will they again turn red together? Give the exact time, including seconds

+3
Answers (1)
  1. 27 December, 03:45
    0
    5:02:24

    Step-by-step explanation:

    we need to find the LCM of 36 and 48.

    multiples of 36: 36, 72, 108, 144

    48: 48, 96, 144

    the LCM is 144, so they will both be red in 144 seconds. 144 seconds is 2 minutes 24 seconds, so the time will be 5:02:24
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Two traffic lights turn red together at exactly 5:00 pm. One light is on a 36-second cycle from red back to red while the other is on a ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers