Question 1132813
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.