A recipe calls for 2.5 teaspoons of vanilla. 1 teaspoon equals approximately 4.93 mL. Which of the following is the correct amount of vanilla in mL?

A. 5.33 mL

B. 12.325 mL

C. 7.43 mL

D. 0.507 mL

Answer Explanation:

We need to find how many mL are in 2.5 teaspoons. We need to use dimensional analysis to solve this problem as follows.

Converting between teaspoon and mL uses the following conversions:

We want to end up with mL, we utilize the second conversion and set up the following equation.

Thus, 2.5 teaspoons can hold 12.325 mL.

Therefore, the Correct Answer is B.

Q #1: Which of the following values is the greatest?

A. 9/2

B. 4.4

C. 10/3

D. 4.25

Answer Explanation

The initial step is to convert the decimal numbers into fractions.

4.4 becomes 44/10

4.25 becomes 425/100

Thus, the set of fractions is 9/2, 44/10, 10/3, 425/100. The least common denominator for 2, 10, 3, and 100 is 300, which we use to compare each options given.

9/2*300=1350

44/10*300=1320

10/3*300=1000

425/100*300=1275

From the above, 1350 is the greatest value which corresponds to 9/2. Thus, 9/2 is the greatest value of all the choices given.
Q #2: When the weights of the newborn babies are graphed, the distribution of weights is symmetric with the majority of weights centered around a single peak. Which of the following describes the shape of this distribution?

A. Uniform

B. Bell-shaped

C. Skewed right

D. Bimodal

Answer Explanation

Since the distribution is symmetric, the mean, mode, and median will all be equal. The shape of the distribution will be bell-shaped.
Q #3: Which of the following relationships represents a positive correlation between two variables?

A. As a student’s class attendance decreases, the student’s overall grade remains the same

B. As the number of hours a person exercises decreases, the weight of that person increases

C. As the number of miles driven increases, the amount of the gasoline in the tank decreases

D. As the amount of water plant receives increases, the growth rate of the plant increase.

Answer Explanation

Correlation of two variables falls into:

Positive correlation: an increase in one variable causes another variable to increase

Negative correlation: an increase in one variable causes another one to decrease

No correlation: a change in one variable does not cause any response in another variable.

From the given choices

Option a is no correlation

Option b is a negative correlation

Option c is a negative correlation

Option d is a positive correlation

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A recipe calls for 2.5 teaspoons of vanilla. 1 teaspoon equals approximately 4.93 mL. Which of the following is the correct amount of vanilla in mL?

More Questions on TEAS 7 Math

Q #1: Which of the following values is the greatest?

Answer Explanation

Q #2: When the weights of the newborn babies are graphed, the distribution of weights is symmetric with the majority of weights centered around a single peak. Which of the following describes the shape of this distribution?

Answer Explanation

Q #3: Which of the following relationships represents a positive correlation between two variables?

Answer Explanation

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