Answer:
I think its 90 but im not sure.
Step-by-step explanation:
The expression should be $20.00-($0.40p)=change recieved
Answer:

Step-by-step explanation:
Given




Required [Missing from the question]
What is his balance after purchasing the items
First, calculate total cost of items



The balance is then calculated as:



Answer:
Subtract 4 from both sides