document.write( "Question 737333: Beth runs 100 meters in 40 seconds. If she maintains this constant rate,how long will it take her run 1 kilometer \n" ); document.write( "
Algebra.Com's Answer #450306 by rfer(16322)\"\" \"About 
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100/40=1000/x
\n" ); document.write( "100x=40000
\n" ); document.write( "x=40000/100
\n" ); document.write( "x=400 second
\n" ); document.write( "400/60=6 2/3 minutes
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