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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Answer:
i thinkbit is C but im in 6th grade and at may 5 i. not there yet
-12 = 6 + 2/3y
Subtract 6 from both sides
-18 = 2/3y
Multiply both sides by 3
-54 = 2y
Divide both sides by 2
-27 = y
Answer:
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Step-by-step explanation:
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C= 11pi
⇒ d* pi= 11* pi
⇒ d= 11
The diameter is 11~
The answer is b
2^2*3*7=
4*3*7=
12*7=
84
