SOLUTION: 13% if r is 209. What is r?

Question 1107330: 13% if r is 209. What is r?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!

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Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
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There is a bunch of lessons on percentage problems
    - 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)
    - More complicated percentage problems
    - Problems on percentage that lead to unexpected results
in this site, written specially for you.

Read them and become an expert in this area.

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