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 #1
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The question gets cut off at "bus B takes 35 minutes to complete its ro"

smiley

 Dec 28, 2020
 #2
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Times when busses are back at the depot

20     40     60       80     100          120       140 

   35                70                   105               140

 

They will both be back at the depot at the same time at 140 min ...2 hrs 20 min past their start....  8:20 AM

 Dec 28, 2020

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