document.write( "Question 312748: Two cars leave town at the same time traveling in opposite directions. One car travels at a rate of 60 miles per hour. The other car travels at a rate of 70 miles per hour. How far apart will the two cars be at the end of 4 hours? \n" ); document.write( "
Algebra.Com's Answer #223601 by vleith(2983)\"\" \"About 
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The two cars are moving away from each other at the rate of (60 +70)mph.
\n" ); document.write( "So each hour they get 130miles farther apart.
\n" ); document.write( "After 4 hours, they will be 4*130 = 520 miles apart
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