Answer:
84
Step-by-step explanation:
Basically the ratio was multiplied by 12 to get the number of boys so you do the same to the other one.
<h2>
Hello!</h2>
The answer is: A. 2π
<h2>Why?</h2>
First, in order to make it easier, let's convert the numbers into entire or decimal numbers.

So, ordering it:
C, D, A, B

So, Y=A=6.28
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Hi there! The answer is A. Add together 200 and 100. Then divide the sum by 6.
In this problem we want to know how many books there are on 1 shelf. Therefore we must first now the total amount of books and so we add up 200 and 100 (which makes a total of 300 books)
Finally we divide this total amount of books by the amount of shelfs (300 / 6), and then we've found the answer to our question. Hence, the answer is A.
Answer: If the coordinates are positive, then the point is in the first quadrant
The converse has us swap the antecedent (first part) and the conclusion (second part) of the conditional. In symbolic notation we would have
Original: If P, then Q
Converse: If Q, then P