ATI TEAS 7
TEAS Math Practice Test Questions
Question 1 of 5
What number is 20 equal to 40% of?
Correct Answer: A
Rationale: To find what number 20 is equal to 40% of, you divide 20 by 0.40 (40%). This gives 50, which is choice A. The correct answer is A because 20 is indeed 40% of 50. Choices B, C, and D are incorrect because 20 is not 40% of 8, 200, or 5000 respectively.
Question 2 of 5
How will the number 847.89632 be written if rounded to the nearest hundredth?
Correct Answer: A
Rationale: To round 847.89632 to the nearest hundredth, we look at the digit in the thousandth place, which is 6. Since 6 is greater than or equal to 5, we round up the digit in the hundredth place (9) by 1, making it 10. Therefore, the number becomes 847.90 (answer A). Choice B (900) is incorrect as it rounds to the nearest whole number. Choice C (847.89) is incorrect as it rounds down. Choice D (847.896) is incorrect as it does not round to the nearest hundredth.
Question 3 of 5
What is the mode of the set of numbers {4, 4, 5, 7, 8}?
Correct Answer: A
Rationale: The mode is the number that appears most frequently in a set. In this case, the number 4 appears twice, which is more frequent than any other number in the set. Therefore, the mode of {4, 4, 5, 7, 8} is 4. Choice B (5), C (7), and D (8) are incorrect because each of these numbers appears only once in the set, making them less frequent than 4. The mode must be the number that appears most often in the set, which is 4.
Question 4 of 5
The phone bill is calculated each month using the equation C = 50 + 75D. The cost of the phone bill per month is represented by C, and D represents the gigabytes of data used that month. What is the value and interpretation of the slope of this equation?
Correct Answer: A
Rationale: The correct answer is A: 75 dollars per gigabyte. The slope of the equation represents the rate of change in cost per unit change in data usage. In this case, for every additional gigabyte of data used (D), the cost of the phone bill (C) increases by $75. This interpretation aligns with the equation C = 50 + 75D, where 75 is the coefficient of D, indicating the cost per gigabyte. Summary of other choices: B: 75 gigabytes per day - This is incorrect as it does not reflect the cost per gigabyte relationship in the equation. C: 50 dollars per day - This is incorrect as it does not account for the cost associated with data usage. D: 50 dollars per gigabyte - This is incorrect because the correct cost per gigabyte is $75, not $50.
Question 5 of 5
What is 15% of 200?
Correct Answer: A
Rationale: To find 15% of 200, you multiply 200 by 0.15 (which is the decimal equivalent of 15%). 200 * 0.15 = 30. Therefore, the correct answer is A (30). Option B (20) is incorrect because it represents 10% of 200. Option C (25) is incorrect as it is not the result of calculating 15% of 200. Option D (40) is incorrect as it is the result of multiplying 20% by 200.
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