document.write( "Question 914270: Two cars leave Chicago, one traveling east and the other west. After 4 hours they are 492 miles apart. If one car is traveling 7 miles per hour faster than the other, find the speed of each \n" ); document.write( "
Algebra.Com's Answer #554967 by josgarithmetic(39618)\"\" \"About 
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The sum of their distances traveled after four hours is 492 miles.
\n" ); document.write( "RT=D rate time distance. One of the time quantities is the main unknown variable.\r
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\n" ); document.write( "\n" ); document.write( "\"%28r%2B%28r%2B7%29%29%2A4=492\"
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