document.write( "Question 849651: Carlos bikes 3 mi/h faster than Tim. It takes Tim 1 hour longer than Carlos to bike 36 miles. How long does it take Carlos to bike 36 miles? \n" ); document.write( "
Algebra.Com's Answer #511762 by lwsshak3(11628)\"\" \"About 
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Carlos bikes 3 mi/h faster than Tim. It takes Tim 1 hour longer than Carlos to bike 36 miles. How long does it take Carlos to bike 36 miles?
\n" ); document.write( "***
\n" ); document.write( "let x=Tim's speed
\n" ); document.write( "x+3=carlos' speed
\n" ); document.write( "travel time=distance/speed
\n" ); document.write( "..
\n" ); document.write( "Tim's travel time-Carlos' travel time=1
\n" ); document.write( "\"36%2Fx-36%2F%28x%2B3%29=1\"
\n" ); document.write( "36(x+3)-36x=x(x+3)
\n" ); document.write( "36x+108-36x=x^2+3x
\n" ); document.write( "x^2+3x-108=0
\n" ); document.write( "(x+12)(x-9)=0
\n" ); document.write( "x=-12(reject)
\n" ); document.write( "or
\n" ); document.write( "x=9
\n" ); document.write( "36/(x+3)=36/12=3
\n" ); document.write( "How long does it take Carlos to bike 36 miles? 3 hrs
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