The probability of being a girl in this class is 4/7 and there are 12 boys. Find the total number of students.
1 answer:
Answer: 28 students
Step-by-step explanation:
The probability of being a girl is 4/7 which means that the probability of being a boy is 3/7 as the fractions must add up to 1.
Assuming the number of people in class is x then the following expression can be used to solve for it;
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