cebobbyikolla cebobbyikolla
  • 09-04-2017
  • Physics
contestada

Suzanne bikes 3 km to school every day. it takes her 20 minutes because she always has to stop at a traffic light. what is her average speed?
a. 0.15 km/s
b. 3 m/s
c. 6.7 km/minute
d. 9 km/h

Respuesta :

Аноним Аноним
  • 09-04-2017
3 km in 20 min => 9 km in 60 min => 9km in 1h =>
 the correct answer is d: 9 km/h


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