Roller Skates Speed Time

Miles goes to school on roller skates at a speed of 18 km/h. The journey takes 15 minutes. What speed does he have to go if he wants to be at school 5 minutes earlier?

Final Answer:

v =  27 km/h

Step-by-step explanation:

s=18 6015=6018 15=60270=29=4.5 km  s=v 60155 4.5=v 60155  4.5=v (155)/60  10v=270  v=10270=27  v=27=27 km/h



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