SOLUTION: The freshman class at a high school has 45 more girls than boys. If the class has (n) boys, then what percent of the entire freshman class are girls? a) n+45/2n+45% b) 100n/

Question 1089335: The freshman class at a high school has 45 more girls than boys. If the class has (n) boys, then what percent of the entire freshman class are girls?
a) n+45/2n+45%

b) 100n/2n+45%
c) 100(n+45)/2n+45%
Please show work! Thanks for anyone attempting to answer this problem.
Answer by ikleyn(52824) (Show Source): You can put this solution on YOUR website!
.

If the number of boys is "n", then the number of girls is (n+45), according to the condition.


And the total population is n + (n+45) = 2n+45.


Percentage under the question is  .

Solved.

On percentage problems, 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)
    - More complicated percentage problems
    - Problems on percentage that lead to unexpected results
in this site.

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