I think the answer is
A.) infinitely many
C= 20-0.75x
c= 20-0.75(9)
c= 20-6.75
c= 13.25
Here c is the amount of change and x is the number of books bought.
The customer's change will be $13.25
Answer:
i can help
Step-by-step explanation:
what the question
Answer:
It's 6.
Step-by-step explanation:
this was so confusing