document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #672510 by Alan3354(69443)\"\" \"About 
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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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\n" ); document.write( "d = r*t (no \"if\" about it)
\n" ); document.write( "r = d/t
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\n" ); document.write( "40 minutes = 2/3 hours.
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\n" ); document.write( "To find mi/hr, divide the miles by the hours.
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