The number of shoppers is an illustration of an exponential function.
The expression for the number of shoppers is: 
The given parameters are:
<em />
<em> -- the number of shoppers on the first day of business</em>
<em />
<em> --- the rate</em>
<em />
Because, the number of shoppers <em>increases each day</em>, the number of shopper on a certain day is:

Substitute 15% for r

Express percentage as decimal


Substitute 150 for a


Hence, the expression for the number of shoppers is: 
Read more about exponential functions at:
brainly.com/question/11487261
Where is the list will all of this the list is needed
idk what kind of math problem but, if its just simple id us PEMDAS
Answer:
B
Step-by-step explanation:
3x+4y = 375
6x+ 4y= 600
-------------------
6x-3x = 600 - 375
3x=225
x=225:3
x=75 cents
3*x+4y= 375
3*75+4y=375
225 +4y = 375
4y=375-225
4y=150
y=150:4
y=37,5 cents
the price is 75+37,5=112,5 cents for one bag of potato chips and one candy bar