Given data:
The given amount Kathy earn per hour is $6.50.
The expression for the given statement is,
[tex]1\text{ hour=\$6.50}[/tex]Multiply the above expression by 7 on the both sides.
[tex]\begin{gathered} 7(1\text{ hour)=7(\$6.50)} \\ 7\text{ hours=\$45.5} \end{gathered}[/tex]Thus, Kathy earn $45.5 on saturday.
