Final answer:
To find the new mean annual wage, calculate the 5.125% increase in the mean weekly wage and then multiply it by 52 weeks.
Step-by-step explanation:
To find the new mean annual wage, we first need to calculate the increase in the mean weekly wage. The mean weekly wage grows by 5.125%, so we can find the increase by multiplying the mean weekly wage by 5.125%:
5.125% of $789.35 = $40.42
To find the new mean weekly wage, we add the increase to the original mean weekly wage:
$789.35 + $40.42 = $829.77
Finally, to find the new mean annual wage, we multiply the new mean weekly wage by the number of weeks in a year (52):
$829.77 × 52 = $43,149.82