7th Grade Math Mid-Term Review

On a 30-question test, Janice answered four-fifths of the questions correctly. Which of the following is the number of questions she answered correctly?

• 24

• 25

• 26

• 28

Laura is walking quickly and finds that she travels 54 feet in a span of 12 seconds. Which of the following is the speed at which Laura is walking?

• 4.5 feet per second

• 4.75 feet per second

• 5.25 feet per second

• 5.5 feet per second

Which of the following sentences would have a result that is a negative number?

• -36 ÷ (2 ÷ -6)

• -3 - (-8) - 2

• 8 + -13 + 5

Which of the following is the solution to the equation: \( \frac{6}{x} = \frac{4}{5} \)?

• 7 \frac{1}{2}

• 7 \frac{1}{4}

• 4 \frac{4}{5}

• 3 \frac{1}{3}

Lydia’s salary is proportional to the number of hours she works. She earned $513 for working 27 hours. Which of the following is the constant of proportionality?

• $18 per hour

• $19 per hour

• 2 hours per dollar

• 0.5 hours per dollar

Mary has been walking dogs in her neighborhood. Using the information in the table, which of the following represents the total amount Mary earned for walking 15 dogs?

• $225

• $255

• $300

• $275

Of the 740 students in a middle school, 35% are in seventh grade. How many of the students in this school are in seventh grade?

• 247

• 251

• 259

• 291

What is the relationship between weight and volume in the graph?

• They are inversely proportional.

• They are not related.

• They are proportional.

• They are equal.

If the volume of oil is 8 liters, what is its weight according to the graph?

• 16 pounds

• 18 pounds

• 20 pounds

• 22 pounds

What happens to the weight of oil as the volume increases?

• The weight decreases.

• The weight remains constant.

• The weight increases.

• The weight fluctuates.