document.write( "Question 213645: if a person drives his car at a speed of 75 miles per hour and travels a distance of 270 miles, how long has he been driving? \n" ); document.write( "
Algebra.Com's Answer #161408 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
D=rt
\n" ); document.write( "t=D/r
\n" ); document.write( "t=270/75
\n" ); document.write( "t=3.6 hrs or 3 hrs 36 min
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