document.write( "Question 978090: Chris has ridden 64 miles of a bike course. The course is 80
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Algebra.Com's Answer #599567 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "if Chris has ridden \"64\" miles of a bike course the course is \"80\"
\n" ); document.write( " miles long, he has ridden \"x\"% or \"x%2F100\" miles of \"80\"
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\n" ); document.write( "\n" ); document.write( "so, \"64=%28x%2F100%2980\"\r
\n" ); document.write( "\n" ); document.write( "\"64=%28x%2F10%298\"
\n" ); document.write( "\"64=8x%2F10\"
\n" ); document.write( "\"64%2A10=8x\"
\n" ); document.write( "\"640%2F8=x\"
\n" ); document.write( "\"x=80\"\r
\n" ); document.write( "\n" ); document.write( "your answer is:Chris has ridden \"80\"% of the course so far
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