Q5. 23
Q6. 2.4
Q7. 4.7
Q8. $19.20
Q9. 4.77
The discount is 30%
Step-by-step explanation:
Given
Price of tape = $60
Discount = $18
In order to find the percentage, we will use the percentage formula

Hence,
The discount is 30%
Keywords: Percent, sale
Learn more about percentage at:
#LearnwithBrainly
Do you mean checking your work? In that case it would be 9*20.
I believe the answer is 3 and 3/5