SOLUTION: ms.thomas drove at a constant rate for 40 minutes. she drove 39 miles during that time. if distance is determined by the equation d=rt where r is the constant rate in miles per hou

Question 1057438: ms.thomas drove at a constant rate for 40 minutes. she drove 39 miles during that time. if distance is determined by the equation d=rt where r is the constant rate in miles per hour, what was ms.thomas constant rate?
Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
ms.thomas drove at a constant rate for 40 minutes. she drove 39 miles during that time. if distance is determined by the equation d=rt where r is the constant rate in miles per hour, what was ms.thomas constant rate?
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d = r*t (no "if" about it)
r = d/t
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40 minutes = 2/3 hours.
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To find mi/hr, divide the miles by the hours.

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Convert munutes to hours
[ min ] * [ hrs / min ] = [ hrs ]
hrs
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His rate was 58.5 mi/hr

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