Question 182931: I need help with this problem: buses from carbondale to bllomington leave every hour on the hour. Buses from bloomington to carbonfale leave every hour on the half hour. The trip from one city to the other takes 5 hours. Assuming that the buses travel on the same highway how many bloomington buses does a carbondale bound. Bus meet on the highway(not counting in the station.)
Answer by scott8148(6628)   (Show Source):
You can put this solution on YOUR website! when a C. bus leaves the B. station;
there is a B. bus 1/2 hr from the B. station,
and another B. bus 1 hr behind the first,
and another B. bus 2 hr behind the first,
and another B. bus 3 hr behind the first,
and finally a 5th B. bus 4 hr behind the first
the C. bus will meet all 5 of these B. busses
PLUS
during the 5 hr trip, 5 more B. busses will leave the C. station and meet the C. bus
this means that the C. bus will meet 10 B. busses
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