Answer:
The number of sales of items made by Danielle last week is 4812.
Explanation:
Given as :
The percentage of commission Danielle earn on each sale = 8.25%
The basic salary of Danielle = $775 per week
The Total earning for the week = $1,172.00
Let The number of sales of items made by Danielle last week = n
Now, According to question
The Total earning for the week = The basic salary of Danielle + The percentage of commission Danielle earn on each sale × The number of sales of items
or, $775 per week + 8.25% × n = $1,172.00
or, 8.25% × n = $1,172.00 - $775
or, 8.25% × n = $397
or,
× n = $397
or, n =

or, n =

or , n = 4812.12 ≈ 4812
so ,The number of sales of items made by Danielle last week = n = 4812
Hence The number of sales of items made by Danielle last week is 4812. Answer