The total price including the discount and the tip is 
<u>Solution:</u>
Given:
Bill Amount = 
Coupon = 
So, Discount will be 
Discounted price = 
Mr. Oliver plans to give delivery driver a tip of 
Now, Bill (After reducing discount) =
Tip = 
Tip Amount = 
Now add that tip amount,
Total Price = 
Steps to find the discounted price:
Step 1: Consider the rate of discount
Step 2: Find the actual discount by multiplying the discount rate by the original amount
Step 3: Subtract the actual discount from the original amount to find the discounted price.
Answer:
Overall, the institution of slavery and the failure of the competing interests surrounding the institution in government led to the collapse in the balance between slave and free states and the Civil War.