Question 329402
Distance=40miles, Time = 5 Minutes, Rate = 480mph
Using the formula D=R*T work through if you were missing one piece of information 
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distance = (1/12)(480) miles = 40 miles
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rate = 40/(1/12) mph = 40*(12/1) = 480 mph
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time = 40/480 hrs. = 4/48 = 1/12 hr = 5 minutes

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Cheers,
Stan H.
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