document.write( "Question 253626: A commuter train travels a distance of 4 miles in exactly 3 minutes. What is the average speed of the train in miles per hour? \n" ); document.write( "
Algebra.Com's Answer #185971 by checkley77(12844)\"\" \"About 
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D=RT
\n" ); document.write( "R=D/T
\n" ); document.write( "R=4/(3/60)
\n" ); document.write( "R=4/.05
\n" ); document.write( "R=80 MPH. IS THE SPEED.
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