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joja [24]
3 years ago
13

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

Mathematics
1 answer:
Mariana [72]3 years ago
7 0

Answer:

There are <u>35 boys</u> in the class.

Step-by-step explanation:

Girls to Boys ratio = 3:7

Total number of students in class = 50

Let total number of girls be '3x' and total number of boys be '7x'

Total number of girls + Total number of boys = Total number of students

3x + 7x = 50

10x = 50

x = 50/10

x = 5

\therefore

Total number of girls = 3 × 5 = 15

Total number of boys = 7 × 5 = 35

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