SOLUTION: a bus trevels at a distance of 90 km in 2h and another 30 km in 1h. what is the average speed of the bus?

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Question 532217: a bus trevels at a distance of 90 km in 2h and another 30 km in 1h. what is the average speed of the bus?
Found 2 solutions by Alan3354, stanbon:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Add the distances, and add the times.
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d = r*t
r = d/t

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
a bus trevels at a distance of
90 km in 2h and another 30 km in 1h.
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what is the average speed of the bus?
Average speed = total distance/total time = 120km/3hr = 40 km/hr
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Cheers,
Stan H.