document.write( "Question 1046929: Two motorboats leave the dock at the same time and travel in opposite directions. One travels 9 mph faster than the other. After 2 hours the boats are 170 miles apart. How fast is each boat traveling? \n" ); document.write( "
Algebra.Com's Answer #662378 by josgarithmetic(39620)\"\" \"About 
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CAR2 is faster and goes a longer distance.\r
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document.write( "                 RATE           TIME          DISTANCE\r\n" );
document.write( "CAR1             r               2            \"%28r%29%282%29\"\r\n" );
document.write( "CAR2             r+9             2            \"%28r%2B9%29%282%29\"\r\n" );
document.write( "Total                                          170\r\n" );
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\n" ); document.write( "\n" ); document.write( "\"2r%2B2%28r%2B9%29=170\"\r
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\n" ); document.write( "\n" ); document.write( "\"2r%2B2r%2B18=170\"\r
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\n" ); document.write( "\n" ); document.write( "\"4r=170-18\"\r
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\n" ); document.write( "\n" ); document.write( "\"4r=152\"\r
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\n" ); document.write( "\n" ); document.write( "\"r=38\"
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