Answer:
60 weeks
Step-by-step explanation:
Factor both numbers 12 and 15:
Find LCM(12,15). The common factor is only 3, multiply ths common factor by all factors that remain. Then

This means that the fewest number of weeks that will pass before both machines are cleaned again in the same week is 60 weeks.
Answer:
segment
Step-by-step explanation:
Hope this this is your answer
Answer:
c
Step-by-step explanation:
Answer:
5
Step-by-step explanation: