[tex]\begin{gathered} \text{The cost per hour function is:} \\ C(h)=63+18h \end{gathered}[/tex][tex]\begin{gathered} \text{The average cost per hour is:} \\ A\mathrm{}C(h)=\frac{63}{h}+18 \end{gathered}[/tex]
Hence, the inequality which symbolizes when a student's average cost of tutoring is no more than $22.207 is:
[tex]\frac{63}{h}+18\leq22.207[/tex]