ATI TEAS Guide To Math  Basic Percentages Question Review
ATI TEAS Math Basic PERCENTAGES
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Quiz for ATI TEAS MATH REVIEW SERIES PERCENTAGES
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Question 1 of 6
1. Question
A car went on sale for 80% of its original price. If the sales price of the car was $20,000, which of the following was the car’s original price?
Correct
The correct answer is B. This question asks you to find the original price of the car. We know that 80% of this price is $20,000. We can use this information to find the original price. First, change the percentage to a decimal number by moving the decimal to the left two places: 80% = 0.80. Next, use the formula for calculating percentage: original price x 0.80 = $20,000. Divide $20,000 by 0.80 to find the original price. The correct answer is $25,000.
Incorrect
The correct answer is B. This question asks you to find the original price of the car. We know that 80% of this price is $20,000. We can use this information to find the original price. First, change the percentage to a decimal number by moving the decimal to the left two places: 80% = 0.80. Next, use the formula for calculating percentage: original price x 0.80 = $20,000. Divide $20,000 by 0.80 to find the original price. The correct answer is $25,000.

Question 2 of 6
2. Question
The number of patients seen at a medical clinic decreased from 460 to 375 in the month of January. Which of the following is the percent decrease to the nearest tenth of a precent?
Correct
The correct answer is A. First, find the amount of decrease in patients seen. Subtract the final number of patients from the original number: 460 – 375 = 85. The number of patients seen decreased by 85. Now divide the amount of the decrease by the original number of patients: 85 ÷ 460 is approximately 0.1848. The percent decrease is about 0.1848, which can be converted to 18.48% and rounded up to 18.5%.
Incorrect
The correct answer is A. First, find the amount of decrease in patients seen. Subtract the final number of patients from the original number: 460 – 375 = 85. The number of patients seen decreased by 85. Now divide the amount of the decrease by the original number of patients: 85 ÷ 460 is approximately 0.1848. The percent decrease is about 0.1848, which can be converted to 18.48% and rounded up to 18.5%.

Question 3 of 6
3. Question
A plumber increased his hourly rate by 10%, which added a total of $8.00 to his rate. Which of the following was the plumber’s original rate?
Correct
The correct answer is B. First, change the percentage to a decimal number by moving the decimal to the left two places: 10% = 0.10. Next, use the formula for calculating percentages: original rate x 0.10 = $8.00. Divide $8 by 0.10 to find the original rate. The correct answer is $80.00.
Incorrect
The correct answer is B. First, change the percentage to a decimal number by moving the decimal to the left two places: 10% = 0.10. Next, use the formula for calculating percentages: original rate x 0.10 = $8.00. Divide $8 by 0.10 to find the original rate. The correct answer is $80.00.

Question 4 of 6
4. Question
Which of the following represents 32% of 1,700?
Correct
The correct answer is C. Change the percentage to a decimal number by moving the decimal to the left two places: 32% = 0.32. Then multiply 1,700 x 0.32. The result is 544.
Incorrect
The correct answer is C. Change the percentage to a decimal number by moving the decimal to the left two places: 32% = 0.32. Then multiply 1,700 x 0.32. The result is 544.

Question 5 of 6
5. Question
The number of residents at an animal shelter went down from 179 to 127 over a 6month period. Which of the following is the percent decrease to the nearest tenth of a percent?
Correct
First, find the amount of the decrease in residents at the shelter. Subtract the final number of animals from the original number: 179 – 127 = 52. The number of animals decreased by 52. Now divide the amount of the decrease by the original number of animals: 52 ÷ 179 is approximately 0.2905. The percent decrease is about 0.2905, which can be converted to 29.05% and rounded up to 29.1%.
Incorrect
First, find the amount of the decrease in residents at the shelter. Subtract the final number of animals from the original number: 179 – 127 = 52. The number of animals decreased by 52. Now divide the amount of the decrease by the original number of animals: 52 ÷ 179 is approximately 0.2905. The percent decrease is about 0.2905, which can be converted to 29.05% and rounded up to 29.1%.

Question 6 of 6
6. Question
417.6% of 275 =
Which of the following completes the equation above?
Correct
Change the percentage to a decimal number by moving the decimal to the left two places: 417.6% = 4.176. Then multiply 275 x 4.176. The correct answer is 1,148.40.
Incorrect
Change the percentage to a decimal number by moving the decimal to the left two places: 417.6% = 4.176. Then multiply 275 x 4.176. The correct answer is 1,148.40.