Morning 82968

The new truck makes one trip with sand in 18 minutes, and the older truck takes one-third as long to make one trip. Both will leave at the same time in the morning. How long will it take for them to meet again, and how many times will they meet in an eight-hour shift?

Correct answer:

t =  72 min
n =  6

Step-by-step explanation:

t1=18 min t2=t1+t1/3=18+18/3=24 min  18=232 24=233 LCM(18,24)=2332=72  t=LCM(t1,t2)=LCM(18,24)=72 min
T=8 h min=8 60  min=480 min  n1=T/t=480/72=320=6326.6667  n=n1=6.6667=6



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