document.write( "Question 846270: alex ran four miles in thirty two minutes. sam ran three miles in twenty one minutes. how much faster did sam run than alex? \n" ); document.write( "
Algebra.Com's Answer #509702 by ankor@dixie-net.com(22740)\"\" \"About 
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Alex ran four miles in thirty two minutes.
\n" ); document.write( "32/4 = 8 min/mi
\n" ); document.write( " Sam ran three miles in twenty one minutes.
\n" ); document.write( "21/3 = 7 min/mi
\n" ); document.write( " how much faster did Sam run than Alex?
\n" ); document.write( "I'll let you figure that out
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