document.write( "Question 32981: This is one I got wrong on a test and I want to figure out what I'm not getting. I know the answer is 12 but I can't get there.\r
\n" ); document.write( "\n" ); document.write( "A long distance cyclist pedaling at a steady rate travels 30
\n" ); document.write( "miles with the wind. He can travel only 18 miles against the wind in the same amount of time.
\n" ); document.write( "If the rate of the wind is 3 miles per hour, what is the cyclist's rate without the wind?
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Algebra.Com's Answer #19420 by Paul(988)\"\" \"About 
You can put this solution on YOUR website!
Let the speed be x:
\n" ); document.write( "\"30%2F%28x%2B3%29=18%2F%28x-3%29\" ---> cross multiply:
\n" ); document.write( "18(x+3)=30(x-3)
\n" ); document.write( "18x+54=30x-90
\n" ); document.write( "-12x=-144
\n" ); document.write( "x=12
\n" ); document.write( "Hence, he can travel 12mph.
\n" ); document.write( "Paul.
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