Solve the problem.
-At a national computer show, two software companies continuously run videos showing their products. Company A's video repeats every 33 minutes, while Company B's video repeats every 15 minutes. If both companies begin the videos at 1:00 P.M. when the show opens, how many minutes will elapse before they are in sync again?
A) 55 minutes
B) 110 minutes
C) 330 minutes
D) 165 minutes

Question

Quizplus · Accepted Answer

To find when the videos will be in sync again, we need to find the Least Common Multiple (LCM) of their cycle times. The LCM of 33 and 15 is 165 minutes. This means after 165 minutes, both videos will start again at the same time.

Solve the Problem. -At a National Computer Show, Two Software Companies Continuously Run