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pshichka [43]
3 years ago
6

There and Back Julian biked a 24 km trip to Guelph. On his way there, his average speed was 12 km/h. On his way home, he stopped

for a break, so his average speed was only 8 km/h. What was his average speed, in km/h, for the entire round-trip?
Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0

Time taken by Julian to complete 24 km trip to Guelph at 12 km/h =

\frac{24}{12}=2 hours

Time taken by Julian for return trip at 8 km/h = \frac{24}{8}=3 hours

As given, the total distance is 24 + 24 = 48 km.

And the total time is 2 + 3 = 5 hrs.

Hence, the average speed for the entire trip is = \frac{48}{5}= 9.6

The answer is 9.6 km/hour.

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