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Deon is riding on a bike course that is 60 miles long. So far, he has 9 ridden miles of the course. 
What percentage of the course has Deon ridden so far?
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   the percentage =  =  = 3*5 = 15%.      ANSWER
You take the ratio and them multiply it by 100 to get percentage.
Solved and explained.
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On percentage,  see the lessons 
    - Percentage problems
    - Percentage word problems (Type 1 problems, Finding the Part)
    - Percentage word problems (Type 2 problems, Finding the Rate)
    - Percentage word problems (Type 3 problems, Finding the Base)
    - Simple percentage problems 
    - More complicated percentage problems
    - Advanced problems on percentage 
    - Percentage problems on chains of discounts 
    - Problems on percentage that lead to unexpected results
    - OVERVIEW of lessons on percentage problems
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