If a horse travels 300 yards in 15 seconds, what MPH is it traveling at?

[mary]

Assuming (theoretically) the horse is traveling at a constant speed for the entire 300 yards, because I just want to know the average speed.

I don't need the direct answer, but I would really appreciate the theorem/equation you used to solve this problem so I can work it out myself? I'm just having issues.

[Morgan]

0.17045455÷0.00416667
=40.9090592728
You have to convert your yards into miles and your time into hours, take your results and use distance/time you have your answer

[Pranil]

speed = distance ÷ time
= 300 yards ÷ 15 second
= 300/1760 miles ÷ 15 second -------- 1760 yards = 1 mile
= 300/1760 miles ÷ 15/3600 hr ------ 3600 seconds = 1hr
= 300/1760 × 3600/15 miles/hr
= 40.91 mph
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[micah]

13.6363909091455