the traffic light at three different road crossings change after every 48 sec 72 sec and 108 sec respectively if they all change simultaneously at 8:20:00 AM, when will they again change simultaneously
A. what is being asked in the problem
B. what are the given facts
C. what is strategy (GCF or LCM) will you use to solve the problem
D. what method in finding the GCF/LCM will you use
E. what is your complete solution
F. what is your final answer
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Answer:
a - after changing simultaneously when they will change simultaneously again
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