document.write( "Question 837111: two cars leave a parking lot and travel in opposite directions. One travels at 10 miles per hour and the other travels at 5 miles per hour. In how many hours will the two cars be 45 miles apart? \n" ); document.write( "
Algebra.Com's Answer #504510 by josgarithmetic(39616)\"\" \"About 
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Their separation rate is 10+5 miles per hour.
\n" ); document.write( "10+5=15 mph.\r
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\n" ); document.write( "\n" ); document.write( "\"R%2AT=D\"
\n" ); document.write( "\"T=D%2FR\"
\n" ); document.write( "-
\n" ); document.write( "\"T=45%2F15=3\"
\n" ); document.write( "Three hours
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