Question
Solve Percent Problems, Part 3-Quiz - Level 6 4) Mr. Oliver orders his groceries online and has them delivered to his house. His bill is \( \$ 175 \). He has a coupon for \( 10 \% \) off and plans to give the delivery driver a \( 20 \% \) tip. What is the total price, \( t \), of Mr. Oliver's order, including the discount and the tip? \( t=\$ \)
Ask by Paul Frank. in the United States
Mar 14,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
The total price, including the discount and tip, is \$189.
Solution
1. Calculate the discounted bill after applying the 10% coupon:
\[
\text{Discounted Price} = 175 \times (1-0.10) = 175 \times 0.90 = 157.50.
\]
2. Calculate the tip which is 20% of the discounted price:
\[
\text{Tip} = 157.50 \times 0.20 = 31.50.
\]
3. Add the tip to the discounted price to find the total price:
\[
t = 157.50 + 31.50 = 189.
\]
\[
t = \$189.
\]
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Simplify this solution Extra Insights
To solve this problem, we first need to calculate the discount he receives from the coupon. A \(10\% \) discount on \( \$ 175 \) is calculated as: \[ \text{Discount} = 0.10 \times 175 = \$ 17.50 \] Now, we subtract the discount from the original bill: \[ \text{Total after discount} = 175 - 17.50 = \$ 157.50 \] Next, we calculate the tip, which is \(20\%\) of the new total: \[ \text{Tip} = 0.20 \times 157.50 = \$ 31.50 \] Finally, we add the tip to the total after the discount to get the final price: \[ t = 157.50 + 31.50 = \$ 189.00 \] So, the total price \( t \) of Mr. Oliver's order, including the discount and tip, is: \[ t = \$ 189.00 \]
