Question

Mary bought a book for $20. The tax rate is 12%. How much was the tax?

Question 1 options:

$32


$2.40


$240


$3.20

5.09 Quiz: Working with Percent Pool 3
Question 2 (1 point)
A group of friends had lunch which cost $35. The tax rate is 12%. How much was the tax?

Question 2 options:

$4.70


$42


$47


$4.20

5.09 Quiz: Working with Percent Pool 4
Question 3 (1 point)
A pair of shoes cost $45. The shoes are on sale for 20% off. How much is the discount?

Question 3 options:

$9.00


$65


$25


$133

Answer 1

Let's go through each question step by step:

**Question 1:**
Mary bought a book for $20. The tax rate is 12%. How much was the tax?
To calculate the tax, you can use the formula:
Tax = Purchase Price × Tax Rate
Tax = $20 × 0.12 = $2.40

Correct option: **$2.40**

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**Question 2:**
A group of friends had lunch which cost $35. The tax rate is 12%. How much was the tax?
Using the same formula:
Tax = Purchase Price × Tax Rate
Tax = $35 × 0.12 = $4.20

Correct option: **$4.20**

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**Question 3:**
A pair of shoes costs $45. The shoes are on sale for 20% off. How much is the discount?
To find the discount amount:
Discount = Price × Discount Rate
Discount = $45 × 0.20 = $9.00

Correct option: **$9.00**

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In summary:
- Question 1 answer: **$2.40**
- Question 2 answer: **$4.20**
- Question 3 answer: **$9.00**