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Anna11 [10]
2 years ago
11

In Linguistics 101, the ratio of the number of girls to the number of boys is $3:2$. When seven more girls join the class, and t

wo boys drop the class, the ratio of the number of girls to the number of boys becomes $5:2$. How many students are in the class after these changes?
Mathematics
2 answers:
never [62]2 years ago
7 0

Answer:

Step-by-step explanation:3.26*3.25- -5

muminat2 years ago
5 0

Answer:

There are 25 students in the class after the changes

Step-by-step explanation

Let G= The total number of girls after the change

Let B= The total number of boys after the change

g/b=3/2

G+7/B-2=5/2

After cross multiplying  you get 5B-10=2B+14

and 3B=2B

Then you solve to get B=12. Then plug B back in any equation to get G=18.

Then plug your to number back in G+7/B-2=5/2 to get 18+7 and 12-2. Once you solve and add you get 25 students.

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