Birthday girl accessories

Twenty-four friends gathered to celebrate Susan's birthday. Half of them had a skirt, a quarter had ribbons in their hair, and a third had a bracelet. How many girls had a skirt, how many ribbons in their hair, and how many bracelets?

Final Answer:

a =  12
b =  6
c =  8

Step-by-step explanation:

$$\begin{gathered} n=24 \\ a=n/2=24/2=12 \end{gathered}$$

$b=n/4=24/4=6$

$c=n/3=24/3=8$

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