Question 7 Luna's savings increases as a linear function of the number of chores she does, as shown in the table. How much money did Luna have saved before she started doing chores? Chores Savings ($) 1 74 2 78 3 82 4 86 $0 $70 $64 $68
[tex]\begin{gathered} \text{She saves on every chores is \$4} \\ So,\text{ the saving was before statring the chores is,} \\ \Rightarrow74-4=70\text{ \$} \end{gathered}[/tex]