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docker41 [41]
3 years ago
6

There are 3 boys for every 4 girls in a classroom. If there are 9 boys, how many girls are in the classroom?

Mathematics
2 answers:
Nady [450]3 years ago
7 0

Answer:

12 girls are in the classroom.

Step-by-step explanation:

We find out that the ratio is 3:4 based upon the question.

If there's 9 boys then the ratio is incomplete however you just need complete it based on the information given.

So, 3:4

      9:?

9 / 3 = 3

4 x 3 - 12 girls

Thus, there being 12 girls in the classroom.

<em>To check: </em>

<em>9:12; </em>

<em>9 / 3 = </em> <em>3</em>

<em>12 / = 4 </em>

<em>So the ratio still ends up being 3:4 therefore 9:12 is equivalent and correct!</em>

<em>Hope this helped! Have a great day or night wherever you are, stay safe!</em>

Sholpan [36]3 years ago
4 0

Answer:

36 girls in the class

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