SOLUTION: There are 824 students in school. The ratio of girls to boys is 3 : 5. Find the number of girls and the number of boys.

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Question 435780: There are 824 students in school. The ratio of girls to boys is 3 : 5. Find the number of girls and the number of boys.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

There are 824 students in school

Let x and (824-x) represent the number of girls and boys respectively

  

Question states***

 +3%2F5+=+x%2F%28824-x%29   | Cross Multiplying 

    5x = 3(824-x)

     8x =2472

      x = 309, the number of girls.  The number of boys is = 515



CHECKING our Answer***

   3/5 = 309/515