SOLUTION: one bus complete 504 kilomerer in 4 hours and 30 minute.tell the speed of bus?

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Question 847232: one bus complete 504 kilomerer in 4 hours and 30 minute.tell the speed of bus?
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
d = rt (distance = rate * time)
d = 504, t = 4.5 hours

504 = 4.5 * r
504/4.5 = r

r = 112 km/h