kayliebug2003
04.03.2021 •
Physics
A woman hikes 2.5 kilometers in 30 minutes, and then 3 kilometers in 20 minutes, and finally 2 kilometers in 10 minutes. What was her average speed?
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Ответ:
7.5 kph
Explanation:
2.5+3+2=7.5
Ответ:
B
Explanation: