Five friends are sharing a pizza. Two friend eats a quarter of the pizza. The other three friends equally divide the rest among themselves. What portion of the pizza did each of the other three friends receive?

A. 1/6

B. 1/3

C. ¼

D. 1/5

Answer Explanation:

A whole pizza represents 1, and two friends eat ¼ of the pizza. The remaining fraction of pizza is:

Remaining amount =

Thus, 3/4 of pizza is left for three friends to share equally.

Now, the other three friends will each get

So, the other three friends will each get 1/4 of the pizza.

Therefore, the Correct Answer is C.

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

A. 7/3

B. 5.2

C. 13/3

D. 5.15

Answer Explanation

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

5.2 becomes 52/10

5.15 becomes 515/100

Next, find the least common denominator of 3, 10, and 100, which is 300. We use this value and multiply each fraction.

7/3*300=700

52/10*300=1560

13/3*300=1300

515/100*300=1545

From the above, 1560 is the greatest value which corresponds to 52/10. Thus, 5.2 is the greatest value of all the choices given.
Q #2: Which of the following relationships represents a negative 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 remains unchanged

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 no correlation

Option c is a negative correlation

Option d is a positive correlation
Q #3: As a person climbing a mountain increases walking speed, the rate of calories burned, height traveled, and energy expended also increase. Which of the following is the independent variable?

A. Walking speed

B. Energy

C. Calories

D. Height

Answer Explanation

An independent variable is a change that when modified brings a change in other variables. In this case, the person increases his climbing rate, calories burned, distance traveled and energy used increases. Therefore, the walking speed is the independent variable while other variables are dependent.

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Five friends are sharing a pizza. Two friend eats a quarter of the pizza. The other three friends equally divide the rest among themselves. What portion of the pizza did each of the other three friends receive?

More Questions on TEAS 7 Math

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

Answer Explanation

Q #2: Which of the following relationships represents a negative correlation between two variables?

Answer Explanation

Q #3: As a person climbing a mountain increases walking speed, the rate of calories burned, height traveled, and energy expended also increase. Which of the following is the independent variable?

Answer Explanation

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