Answer:

Step-by-step explanation:
Given


Required
The total price for 5 days
First, calculate the total for a day.


Open bracket

For 5 days, the total will be.
Total = days * sales of a day
So, we have:
![Total = 5 * [ 125x^3 + 25x^2 + 25x]](https://tex.z-dn.net/?f=Total%20%3D%205%20%2A%20%5B%20125x%5E3%20%2B%2025x%5E2%20%2B%2025x%5D)

Answer:
integer-4
proper fraction-1/10
improper fraction-0/4
Step-by-step explanation:
do not copy in the internet
Answer:
$27.59
Step-by-step explanation:
1) First we calculate the sales tax:
30 x .15 = 4.5
30 - 4.5 = 25.5
2) Now we calculate sales tax
25.5 x .082 = 2.09
25.5 + 2.09 = $27.59