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bogdanovich [222]
3 years ago
11

miss browns class has 24 students. there are 3 times as many girls as boys. how many girls are there ? step by step explanation

please
Mathematics
2 answers:
Mrrafil [7]3 years ago
8 0

Answer:

18 girls.

Step-by-step explanation:

Let X represent the number of girls. Since there are three times as many girls, you'll use 3x.

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

3x + x = 24

4x = 24

x = 24/4

x = 6

 Number of boys = 6

 Number of girls = 3x = 3 x 6 which equals 18.

iVinArrow [24]3 years ago
4 0
I would use ratio, so girls on the left as 3 and boys on the right as 1. As their is 3 times as many girls compare to boys. Add these 2 numbers together and this makes 4 parts to the ratio. Now divide 24 by 4 and that gives you 1 part. Then multiply it by 3 to get 3 parts to get the amount of girls.
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