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Crazy boy [7]
3 years ago
6

A cross- country runner runs 10 km in 40 minutes. what is his average speed

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0
The answer is 400 because you multiply it
dlinn [17]3 years ago
6 0
All you have to do is to find the unit rate at which this person runs.

It is 

10 km
--------- = 1/4 km/min, or   1 km
40 min                              --------- , or 0.25 km/min
                                          4 min
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