We will determine it as follows:
*First: We determine the number of cases Julio unloaded, that is:
[tex]240\cdot\frac{1}{5}\Rightarrow48[/tex]*Second: We calculate the remaining cases for Henry, that is:
[tex]R=240-48-117\Rightarrow R=75[/tex]So, Henry will unload 75 soda cases.