Answers

  • Brainly User
2016-02-10T09:03:14+08:00
Convert 30 minutes to hour:

     30 minute × 1 hour/60 minutes = 30 hour / 60 = 0.50 hour

Solve for speed in km/hr:
  
     10 km / 0.5 hr = 20 km/hr

ANSWER:  20 km/hr
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