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viktelen [127]
3 years ago
9

n 2010, the ratio of boys to girls in the top 10 percent of their class at Bixby High School was 3 to 5. In 2011, the number of

boys increased by 6 and the number of girls increased by 2. If the new ratio of boys to girls is 2 to 3, write an expression that represents how many students were in the top 10% in 2010.
Mathematics
1 answer:
kondaur [170]3 years ago
7 0

Answer:  Total number of students will be 112.

Step-by-step explanation:

Since we have given that

The ratio of boys to girls in the top 10% of their class at Bixby High School was

3:5

So, Let the number of boys be 3x

Let the number of girls be 5x

According to question,

\frac{3x+6}{5x+2}=\frac{2}{3}\\\\3(3x+6)=2(5x+2)\\\\9x+18=10x+4\\\\18-4=10x-9x\\\\14=x

So, total number of students will be

3x+5x=8x\\\\8\times 14=112

Hence, Total number of students will be 112.


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