TEAS Practice Test Math

Correct Answer: B

Rationale: To calculate the total cost (T), we sum up the initial charge with the additional charges for circular and rectangular tablecloths. The correct expression is B: 5c + 3.5r + 40 = T. This is because we add the charges for circular and rectangular tablecloths to the initial charge of $40 to get the total cost. Choice A subtracts the initial charge instead of adding it. Choice C subtracts the initial charge and swaps the coefficients for circular and rectangular tablecloths. Choice D incorrectly adds the initial charge after the coefficients for circular and rectangular tablecloths.

Correct Answer: D

Rationale: The correct answer is D: 17.8 cm. To convert inches to centimeters, we use the conversion factor 1 inch = 2.54 cm. So, to find the metric equivalent of 7 inches, we multiply 7 by 2.54, which equals 17.78 cm. Rounding to one decimal place gives us 17.8 cm. Explanation for incorrect choices: A: 3.2 cm - This is incorrect as it is too small for the conversion of 7 inches. B: 2.8 cm - This is also too small for the conversion of 7 inches. C: 15.4 cm - This is incorrect as it is close to the correct answer, but not the exact conversion based on the given conversion factor.

Correct Answer: A

Rationale: The correct answer is A because a quotient is the result of dividing two numbers. When you divide one number by another, the answer you get is called the quotient. For example, when you divide 10 by 2, the quotient is 5. Choice B is incorrect because the result of multiplying two numbers is called a product, not a quotient. Choice C is incorrect because the number left after subtraction is called a difference, not a quotient. Choice D is incorrect because the number remaining after a division is typically referred to as the remainder, not the quotient.

Correct Answer: C

Rationale: To convert milliliters to liters, divide by 1000 since there are 1000 mL in 1 L. Here, 2500 mL ÷ 1000 = 2.5 L. Therefore, the correct answer is C (2.5 L). Choice A (0.25 L) is incorrect because the decimal point is in the wrong place. Choice B (25 L) and D (250 L) are incorrect as they are significantly higher than the actual conversion.

Correct Answer: D

Rationale: The correct answer is D: 25 g. A pencil is a lightweight object typically weighing in grams, not kilograms, centimeters, or milligrams. The weight of 25 g aligns with the standard weight of a pencil. Kilograms (A) are too heavy, centimeters (B) are units of length, and milligrams (C) are too light for a pencil's weight. So, the most likely weight of a pencil is 25 grams.