She made 12 bracelets with pastel colors
Here, we want to get the number of bracelets she made with pastel colors
From the question, we are told that for every 4 bracelets she makes with neon colors, she has 3 bracelets made with pastel colors
So the ratio of neon to pastel color bracelets is 4 to 3
For the 16 neon bracelets, let the number of pastel colored bracelets made be x
Thus, we have;
[tex]\begin{gathered} 4\colon3\text{ = 16:x} \\ \frac{4}{3}\text{ = }\frac{16}{x} \\ \\ 4\text{ }\times\text{ x = 16 }\times\text{ 3} \\ \\ 4x\text{ = 48} \\ \\ x\text{ = }\frac{48}{4} \\ \\ x\text{ = 12} \end{gathered}[/tex]