brainbean
05.05.2020 •
Mathematics
A person can run 100 meters in 20 seconds. What is his running speed in kilometers per hour (km/h)?
A. 18 km/h
B. 20 km/h
C. 24 km/h
D. 15 km/h
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Ответ:
-2 1/3x=5/3
Divide both sides by 7/3
After that you get the answer