document.write( "Question 974549: Imogene's car traveled 420 mi averaging a certain speed. If the car had gone 10 mph faster, the trip would have taken 1 hour less. Find the average speed. \n" ); document.write( "
Algebra.Com's Answer #596465 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "Imogene's car traveled 420 mi averaging a certain speed. If the car had gone 10 mph faster, the trip would have taken 1 hour less. Find the average speed.
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Average speed: \"highlight_green%2860_mph%29\" \n" );
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