Answer :
We will solve as follows:
*First: We write the expressions that describe each company [In order]:
[tex]cc=5.25h+10[/tex]&
[tex]vs=2.50h+25[/tex]Here h represents the number of hours.
*Second: We find the interception point:
[tex]5.25h+10=2.50h+25[/tex][tex]\Rightarrow5.25h-2.50h=25-10\Rightarrow2.75h=15[/tex][tex]\Rightarrow h=\frac{60}{11}\Rightarrow h\approx5.4545454545\ldots\Rightarrow h\approx5.5[/tex]So, approximately after 6 hours it will be more expensive to rent on City Cicles.