Given:
The weekly earning for 4 weeks is,
475, 348, 516,402.
The average of the earning for 4 weeks is,
[tex]\begin{gathered} A=\frac{475+348+516+402}{4} \\ A=\frac{1741}{4} \\ A=435.25 \end{gathered}[/tex]Unit rate is $1.15,
[tex]\begin{gathered} A=1.15\times435.25 \\ A=500.5375 \end{gathered}[/tex]Answer: The average weekly earnings is $500.5375.
