[tex]\bf \stackrel{\textit{day 1}}{\cfrac{3}{4}}+\stackrel{\textit{day 2}}{\cfrac{3}{4}}+\stackrel{\textit{day 3}}{\cfrac{3}{4}}\implies \cfrac{3+3+3}{4}\implies \cfrac{9}{4}\implies \cfrac{8+1}{4}\implies \cfrac{8}{4}+\cfrac{1}{4}\implies 2\frac{1}{4} \\\\\\ \boxed{2}\rule[0.35em]{5em}{0.25pt}2\frac{1}{4}\rule[0.35em]{15em}{0.25pt}\boxed{3}[/tex]
