[tex]\begin{array}{|c|ll}\cline{1-1}\textit{a\% of b}\\\cline{1-1}\\\left( \cfrac{a}{100} \right)\cdot b\\\\\cline{1-1}\end{array}~\hspace{5em}\implies \stackrel{\textit{6.25\% of 859.99}}{\cfrac{6.25}{100}\cdot 859.99} ~~\approx ~~53.75\\\\\\~\hfill \stackrel{\textit{total cost for the bike}}{859.99+53.75 ~~\approx~~ 913.74}~\hfill[/tex]