SOLUTION: On race day,run 3.2 miles in 30 minutes. What is your speed in miles per hour?

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Question 1132813: On race day,run 3.2 miles in 30 minutes. What is your speed in miles per hour?
Found 3 solutions by ikleyn, stanbon, Alan3354:
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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On race day, highlight%28YOU%29 run 3.2 miles in 30 minutes. What is your speed in miles per hour?
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30 minutes = 1%2F2 of an hour.


Speed = Distance%2FTime = 3.2%2F%28%281%2F2%29%29 = 3.2*2 = 6.4 miles per hour.    ANSWER.


Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
On race day,run 3.2 miles in 30 minutes. What is your speed in miles per hour?
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30 minutes = 1/2 hour
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Use a proportion::
3.2/(1/2) hr. = r/1 hr
rate = 6.4 mph
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Cheers,
Stan H.
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Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
To find mi/hr, divide the miles by the hours.
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5 miles in 2 hours = 5mi/2hr = 5/2 mi/hr
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12 miles in 4 hours = 12mi/4hr = 3 mi/hr
Including the units makes it make sense.
Cost of fuel in $/gallon - divide the dollars by the gallons.
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Seems obvious.