Given[tex]\begin{gathered} S=18.95+0.60m \\ I=3.70+0.15m \end{gathered}[/tex]Solution[tex]C=S+I[/tex][tex]\begin{gathered} C=18.95+0.60M+3.70+0.15M \\ collect\text{ like terms} \\ C=0.75M+22.65 \end{gathered}[/tex]The final answer[tex]C=22.65+0.75M[/tex]
