document.write( "Question 1160139: A motor scooter travels 18 miles in the same time that a bicycle covers
\n" ); document.write( "7 miles. If the rate of the scooter is 4 mph more than twice the rate of the​ bicycle, find both rates.
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Algebra.Com's Answer #783332 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "                 SPEED           TIME             DISTANCE\r\n" );
document.write( "Scooter         2r+4             18/(2r+4)          18\r\n" );
document.write( "Bicycle          r               7/r                 7\r\n" );
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\n" ); document.write( "The two times were described as equal.
\n" ); document.write( "\"highlight_green%2818%2F%282r%2B4%29=7%2Fr%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"9%2F%28r%2B2%29=7%2Fr\"\r
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\n" ); document.write( "\n" ); document.write( "\"7%28r%2B2%29=9r\"\r
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\n" ); document.write( "\n" ); document.write( "\"7r%2B14=9r\"\r
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\n" ); document.write( "\n" ); document.write( "\"14=2r\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28r=7%29\"---------bicycle
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\n" ); document.write( "\"2r%2B4=highlight%2818%29\"----------the scooter
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