a train travels between two starion A and B , a distance is 108km in 45 min. it passes through a station C , 40 min after leaving . what is the distance between B and C ?
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Answer:
12 km
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Step-by-step explanation:
Using A to B information:
speed = distance / time
= 108km / 45 min
= ( 108 / 45 ) km per min
= ( 12 / 5 ) km per min
Now A to C:
distance = speed × time
= ( 12 / 5 ) km per min × 40 min
= ( 12 × 40 / 5 ) km
= ( 12 × 8 ) km
= 96 km
Finally, between B and C
BC = AB - AC = 108 km - 96 km = 12 km.
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