document.write( "Question 127618: Two cars start at the same place and time and travel in opposite directions. One car is traveling 15 kph faster than the other. After 5 hours, the two cars are 275 km apart. Find the speed of each car \n" ); document.write( "
Algebra.Com's Answer #93504 by solver91311(24713)\"\" \"About 
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One car's rate is r, and then the other car's rate is r + 15. Their combined rate of speed, since they are travelling in opposite directions is r + (r + 15). If you were going 20 mph and I'm going 25 mph, the distance between us is increasing at the rate of 45 mph.\r
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\n" ); document.write( "\n" ); document.write( "Using \"d=rt\" and the given values, we can say:\r
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\n" ); document.write( "\n" ); document.write( "\"%28r%2B%28r%2B15%29%29%2A5=275\"\r
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\n" ); document.write( "\n" ); document.write( "\"2r%2B15=55\"\r
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\n" ); document.write( "\n" ); document.write( "\"2r=40\"\r
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\n" ); document.write( "\n" ); document.write( "\"r=20\" is the speed of the slower car, and \"20%2B15=35\" is the speed of the faster car.\r
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\n" ); document.write( "\n" ); document.write( "Check the answer:
\n" ); document.write( "\"5%2A20=100\", \"5%2A35=175\", and \"100%2B175=275\"\r
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\n" ); document.write( "\n" ); document.write( "Can you imagine a 5 hour car trip at 20 mph? Arrrrgh!!!
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