SOLUTION: How far would a train travel in 'd' hours at 'a' speed of 45 kilmetres per hour?

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Question 997073: How far would a train travel in 'd' hours at 'a' speed of 45 kilmetres per hour?
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
rate * time = distance.

rate = a km per hour.
time = d hours.
distance = a * d
when a = 45 km per hour:
distance = 45 * d