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You have trained all year for a marathon. In your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4.5 hours. What would your average speed have to be to complete
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You have trained all year for a marathon. In your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4.5 hours. What would your average speed have to be to complete the race in 4.5 hours? Give your answer in kilometers per hour.

User Jonathan Wren
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S=26 miles = 26*1,609344 km
t=4.5 hours
v=S/t =26*1,609344/4,5 km/h = 9,298432 km/h ~ 9,3 km/h







User Michaeldel
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