The total sales of Kenneth is $ 12968.75
Solution:
Given that Kenneth got a pay check for $415 this week
He made 3.2% commission on total sales
To find: total sales of Kenneth
Let "t" be the total sales of Kenneth
Kenneth got a pay check for $415 this week and made 3.2% commission on total sales. Which means that 3.2 % of total sales has yielded $ 415
$ 415 = 3.2% of total sales
415 = 3.2% of t

Thus the total sales is $ 12968.75