Math Practice TEAS Test

Correct Answer: A

Rationale: To calculate the total amount Erma will spend, first, find the price after the 25% discount on the cheaper sweater: $44 - (25% of $44) = $44 - $11 = $33. Then, add the price of the other sweater: $33 + $50 = $83. The correct answer is A because $83 is the total amount Erma will spend after the discount on the cheaper sweater. Choice B, C, and D are incorrect as they do not reflect the correct calculation.

Correct Answer: A

Rationale: The correct answer is A: Mile is bigger; 1 mile is 1.609 km. This is because a mile is a longer unit of measurement compared to a kilometer. The conversion factor is 1 mile equals 1.609 kilometers. To convert miles to kilometers, you multiply the number of miles by 1.609. The other choices are incorrect because: B: Kilometer is bigger; 1 km is 1.609 miles - This is incorrect as a kilometer is shorter than a mile. C: Mile is bigger; 1 mile is 1.5 km - This is incorrect as 1 mile is actually equal to about 1.609 kilometers. D: Kilometer is bigger; 1 km is 2 miles - This is incorrect as a kilometer is shorter than 2 miles.

Correct Answer: B

Rationale: The correct answer is B: Frequency. A histogram is preferred over a bar graph when displaying frequency distribution data, as it shows the frequency of values within intervals or bins. It is used to represent continuous data and helps visualize the distribution and shape of the data. Choice A is incorrect because bar graphs are typically used for comparing different categories. Choices C and D are incorrect because percentages and proportions are more suitable for other types of graphs like pie charts or stacked bar graphs.

Correct Answer: B

Rationale: The correct answer is B: 1,000 mm. This is because there are 1,000 millimeters in a meter. The metric system is based on units of 10, so to convert meters to millimeters, you multiply by 1,000 (10 x 10 x 10). Therefore, 1 meter equals 1,000 millimeters. Choice A (100 mm) is incorrect as it represents centimeters, not millimeters. Choice C (10,000 mm) and Choice D (100,000 mm) are incorrect because they are multiples of 1,000 and would be equivalent to 10 meters and 100 meters respectively, not millimeters.

Correct Answer: A

Rationale: The correct answer is A. In direct proportion, both quantities increase or decrease together. This means as one quantity increases, the other also increases by the same factor, and vice versa. This relationship is represented by a straight line passing through the origin in a graph. Choice B is incorrect because in direct proportion, both quantities do not decrease together; they either both increase or both decrease. Choice C is incorrect because in direct proportion, both quantities do not stay the same while the other increases; they both change together. Choice D is incorrect because in direct proportion, one quantity does not increase while the other decreases; they both increase or decrease together.