
- Finding Percents and Percent Equations
- Home
- Finding a percentage of a whole number
- Finding a percentage of a whole number without a calculator: Basic
- Finding a percentage of a whole number without a calculator: Advanced
- Applying the percent equation: Problem type 1
- Applying the percent equation: Problem type 2
- Finding a percentage of a total amount: Real-world situations
- Finding a percentage of a total amount without a calculator: Sales tax, commission, discount
- Estimating a tip without a calculator
- Writing a ratio as a percentage without a calculator
- Finding the rate of a tax or commission
- Finding the total amount given the percentage of a partial amount
- Finding a percentage of a total amount in a circle graph
Finding the rate of a tax or commission Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Finding the rate of a tax or commission. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Answer : C
Explanation
Step 1:
Price of carpet = $46.90
Amount of sales tax paid = $4.69
Step 2:
Rate of sales tax = $\frac{4.69}{4.69} \times 100 = 10\%$
Answer : A
Explanation
Step 1:
Price of car = $24,000
Sales tax = $2280
Step 2:
Rate of sales tax = $\frac{2280}{24000} \times 100 = 9.5\%$
Answer : B
Explanation
Step 1:
Amount of sales = $19,000
Commission earned = $760
Step 2:
Rate of commission = $\frac{760}{19000} \times 100 = 4\%$
Answer : D
Explanation
Step 1:
Price of computer = $1160
Sales tax = $69.60
Step 2:
Rate of sales tax = $\frac{69.60}{1160} \times 100 = 6\%$
Answer : A
Explanation
Step 1:
Price of DVD player = $290
Sales tax = $18.85
Step 2:
Rate of sales tax = $\frac{18.85}{290} \times 100 = 6.5\%$
Answer : B
Explanation
Step 1:
Cost before tax = $390
Sales tax = $27.30
Step 2:
Rate of sales tax = $\frac{27.30}{390} \times 100 = 7\%$
Answer : D
Explanation
Step 1:
Price of item = $310
Sales tax = 27.90
Step 2:
Rate of sales tax = $\frac{27.90}{310} \times 100 = 9\%$
Answer : C
Explanation
Step 1:
Base pay = $2,600
Needs to earn $4000 − $2,600 = $1,400 from commission on sales.
Step 2:
Sales amount = $14,000
Rate of commission = $\frac{1400}{14000} \times 100 = 10\%$
Answer : B
Explanation
Step 1:
Bill amount = $76.50
Sales tax = $4.59
Step 2:
Rates of sales tax = $\frac{4.59}{76.50} \times 100 = 6\%$
Answer : A
Explanation
Step 1:
Price of pair of shoes = $15.96
Sales tax = $0.64
Step 2:
Rate of sale tax = $\frac{0.64}{15.96} \times 100 = 4\%$