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.
She has to add 2 more quarters for 108 more days.
Answer:
jnnnnnnnnnnnnnnn;
Step-by-step explanation:
Y=-x+5
Y=2x-4
X would be your slope
Y intercepts would be (0, 5) , ( 0,-4)
Formula i used was Y=Mx+B