document.write( "Question 7846: Bob was taking a 500-mile round trip. After driving for 5 1/2 hours at an average speed of 42 miles per hour, how many miles did he have left to drive? \n" ); document.write( "
Algebra.Com's Answer #4316 by mathwhiz(13)\"\" \"About 
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5.5 * 42 = 231
\n" ); document.write( "500 - 231 = 269
\n" ); document.write( "He has 269 miles left to drive.
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