For every girl taking classes at the martial arts school, there are 3 boys who are taking classes at the school. If there are 236 students taking classes, write and solve a proportion to predict the number of boys taking classes at the school.
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To solve this problem using a proportion, let's assign variables to the unknown quantities. Let's say the number of girls taking classes at the martial arts school is "G," and the number of boys taking classes is "B."
According to the given information, there are 3 boys for every girl taking classes. Therefore, we can set up the proportion:
3 boys / 1 girl = B boys / G girls
To predict the number of boys taking classes at the school, we need to solve for B when G = 1 (meaning there is one girl).
Now, we know there are 236 students taking classes at the school. So, the total number of students is the sum of the boys and girls:
B + G = 236
Since we are given that G = 1, we can rewrite this equation as:
B + 1 = 236
Subtracting 1 from both sides:
B = 236 - 1
B = 235
Therefore, the predicted number of boys taking classes at the school is 235.