\(c=a( \dfrac{w}{150} )\)
\(c=a* \dfrac{w}{150}\) \(Simplify \ brackets\)
\(c= \dfrac{aw}{150}\)
\(c*150=aw\) \(Multiply \ both \ sides \ by \ 150\)
\(150c=aw\) \(Regroup \ terms\)
\(\dfrac{150c}{a} = w\) \(Divide \ both \ sides \ by \ a\)
\(w= \dfrac{150c}{a}\) \(Solution\)
