HESI A2
HESI A2 Math Questions
Question 1 of 5
If an investment earns 5% interest annually, how much interest will it earn in 1 year on a principal of $1,000?
Correct Answer: B
Rationale: To calculate the interest earned on a principal of $1,000 with a 5% annual interest rate, you multiply the principal by the interest rate: $1,000 x 0.05 = $50. Therefore, the correct answer is B, $50. Choice A is incorrect as it miscalculates the interest. Choice C overestimates the interest earned. Choice D is close, but $55 is not the correct calculation based on the given information.
Question 2 of 5
A store is offering a 25% discount on all items. If an item costs $120, what is the discounted price?
Correct Answer: A
Rationale: To calculate the discounted price, we multiply the original price by (1 - discount percentage). In this case, 25% discount means 1 - 0.25 = 0.75. So, $120 * 0.75 = $90. Choice A is correct because it correctly calculates the discounted price. Choices B, C, and D are incorrect because they do not apply the discount correctly and provide incorrect values for the discounted price.
Question 3 of 5
Solve for y if y = 3: 4y + 21/y
Correct Answer: A
Rationale: To solve for y in the equation 4y + 21/y when y = 3: 1. Substitute y = 3 into the equation: 4(3) + 21/3 = 12 + 7 = 19. Therefore, the correct answer is A (19). Explanation for other choices: B: 7.7 - Incorrect. Not the result of substituting y = 3. C: 23/3 - Incorrect. Not the simplified result of the equation. D: 11 - Incorrect. Not the result of substituting y = 3.
Question 4 of 5
A marathon runner completes 21.6 miles and burns 2,274 calories. What is the rate of calories burned per mile?
Correct Answer: A
Rationale: To find the rate of calories burned per mile, divide the total calories burned by the total distance covered. In this case, 2,274 calories ÷ 21.6 miles = 105.28 calories per mile (rounded to two decimal places), which matches option A. This calculation is based on the fundamental concept of division, where the total calories are distributed evenly over the total distance. Choices B, C, and D are incorrect as they do not match the calculated rate. This question tests basic division skills and understanding of calculating rates.
Question 5 of 5
If Alice consumes twice as many calories as Claire, and Claire consumes 2,500 calories a day, how many calories does Alice consume per week?
Correct Answer: D
Rationale: First, calculate Claire's weekly calorie intake: 2,500 calories/day * 7 days = 17,500 calories/week. Since Alice consumes twice as many calories as Claire, she consumes 2 * 17,500 = 35,000 calories per week. Therefore, choice D is correct. Choices A, B, and C are incorrect because they do not account for Alice consuming twice as many calories as Claire.
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