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klasskru [66]
2 years ago
15

In science class, the girl to boy ratio is 3 to 7.

Mathematics
2 answers:
gogolik [260]2 years ago
8 0
I would say that there are 29 boys in the class.
Yuki888 [10]2 years ago
3 0

Answer:

There are 35 boys in the class.

Step-by-step explanation:

This question can be solved as a rule of three.

In science class, the girl to boy ratio is 3 to 7.

This means that for each 10 students, 7 of them are boys and 3 are girls.

So if for 10 students, 7 of them are boys, how many are boys for 50?

7 boys - 10 students

x boys - 50 students

10x = 7*50

10x = 350

x = 35

There are 35 boys in the class.

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