NJGPA Mini Quiz #25

The food service company at Central High School surveyed a sample of students about their lunch menu preferences. The results of the survey are shown in the two-way table.

Let the quantities A, B, C, and D be defined as follows:

• A: Of the students surveyed, the proportion who are girls

• B: Of the students surveyed, the proportion who prefer pizza

• C: Of the girls surveyed, the proportion who prefer pizza

• D: Of the students surveyed who prefer pizza, the proportion who are girls

Put the quantities in order from least to greatest.

• D

• A

• C

• B

Answer explanation

A diligent student is striving to improve their overall math test average. Up to this point, they have taken four tests and achieved the following scores:

84, 88, 91, and 95

The student is determined to achieve an exact average of 90 after the next test.

What score must the student earn on their 5th test to meet this goal?

Mathematical Equivalence

ON

Answer explanation

Tags

CCSS.7.EE.B.3

• • The relationship between the variables is weak, and as one variable increases in value, the other variable decreases in value.

• The relationship between the variables is weak, and as one variable increases in value, the other variable increases in value.

• The relationship between the variables is strong, and as one variable increases in value, the other variable decreases in value.

• The relationship between the variables is strong, and as one variable increases in value, the other variable increases in value.

Answer explanation