Answer:
$8095.24
Explanation:
Lou Harris is guaranteed a minimum weekly salary = $275
Plus 5.25% of his total sales
His gross pay for this week = $700
His commission on the sales = $700 - $275
= $425
Let the total sales for this week be x
5.25% of x = $425
0.0525x = 425
x =

x = $8095.2381 ≈ $8095.24
His total sales for a week is $8095.24