document.write( "Question 1174123: Two cars start at the same time, but travel in opposite directions. One car's average speed is 60 miles per hour (mph). At the end of 5 hours, the two cars are 450 miles apart. Find the average speed in mph of the other car. \n" ); document.write( "

Algebra.Com's Answer #799509 by ikleyn(52782) $\"\"$ $\"About$

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document.write( "Total distance equation\r\n" );
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document.write( "    5*60 + 5*x = 450 miles\r\n" );
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document.write( "    300 + 5x = 450\r\n" );
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document.write( "          5x = 450 - 300 = 150\r\n" );
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document.write( "           x             = 150/5 = 30  miles per hour.    ANSWER\r\n" );
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