HESI A2 Practice Test Math

Correct Answer: A

Rationale: To convert a decimal to a percent, you multiply by 100. In this case, 0.98 * 100 = 98%. Therefore, the correct answer is A. Choice B is incorrect as it represents 9%, not 0.98%. Choice C is incorrect as it is the decimal form itself, not the percentage. Choice D is incorrect as it represents 99%, not 0.98%.

Correct Answer: A

Rationale: To subtract mixed numbers, first convert them to improper fractions. 30 1/2 = 61/2, and 13 3/4 = 55/4. Then subtract: 61/2 - 55/4 = 122/4 - 55/4 = 67/4 = 16 3/4 (A). Choices B, C, and D are incorrect because they do not represent the correct result of the subtraction calculation.

Correct Answer: A

Rationale: Failed to generate a rationale after 5 retries.

Correct Answer: C

Rationale: To find x, we can use the property of proportionality. The given equation can be rewritten as 120/x = 40/0.5. Simplifying, we get 120/x = 80. Cross multiplying gives 120 = 80x. Dividing both sides by 80, we find x = 120/80 = 1. Therefore, the correct answer is C. Choice A (60) is incorrect because the calculation does not yield the correct value of x. Choice B (0) is incorrect as dividing by 0 is undefined. Choice D (25) is incorrect as it does not match the calculation for x in the given equation.

Correct Answer: A

Rationale: To change 1/6 to a percent, first divide 1 by 6 to get 0.1667. Then, multiply by 100 to convert it to a percentage, which equals 16.67%. Choice A is correct because it accurately represents the conversion. Choices B, C, and D are incorrect as they do not reflect the accurate calculation for converting 1/6 to a percentage.