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just olya [345]
2 years ago
8

There are 3/4 as many boys as girls in a class of fifth-graders. If there are 35 students in the class, how many are girls?

Mathematics
1 answer:
oee [108]2 years ago
7 0

Known Facts:

  • 3/4 as many boys as girls in a class
  • Five students in the class

Variables:

  • b: boys
  • g: girls

Let us set up some equations:

  • b + g = 35
  • b = (3/4)g

Now let us solve the equation:

   b + g =35

   (3/4)g + g = 35

    (7/4)g = 35

     g = 20

Therefore there are 20 girls in a class of 35!

Good day and I hope that helped!

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