document.write( "Question 759382: John is riding on a bike course that is 28 miles long. So far, he has ridden 21 miles of the course. What percentage of the course has John ridden so far? \n" ); document.write( "
Algebra.Com's Answer #462225 by Cromlix(4381)\"\" \"About 
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21/28 * 100 = 75% of course.
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