Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 HMH Go Math - Answer Keys
Chapter 4: Rates and Proportionality; MIXED REVIEW


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Selected Response

  • Question 1 (request help)

    Kori spent $46.20 on 12 gallons of gasoline. What was the price per gallon?
    • $8.35
    • $3.85
    • $2.59
    • $0.26
  • Question 2 (request help)

    A rabbit can run short distances at a rate of 35 miles per hour. A fox can run short distances at a rate of 21 miles per half hour. Which animal is faster, and by how much?
    • The rabbit; 7 miles per hour
    • The fox; 7 miles per hour
    • The rabbit; 14 miles per hour
    • The fox; 14 miles per hour
  • Question 3 (request help)

    A pet survey found that the ratio of dogs to cats is \(\frac{2}{5}\). Which proportion shows the number of dogs if the number of cats is 140?
    • \(\frac{2\text{ dogs}}{5\text{ cats}} = \frac{140\text{ dogs}}{350\text{ cats}}\)
    • \(\frac{2\text{ dogs}}{5\text{ cats}} = \frac{140\text{ cats}}{350\text{ dogs}}\)
    • \(\frac{2\text{ dogs}}{5\text{ cats}} = \frac{28\text{ dogs}}{140\text{ cats}}\)
    • \(\frac{2\text{ dogs}}{5\text{ cats}} = \frac{56\text{ dogs}}{140\text{ cats}}\)
  • Question 4 (request help)

    What is the cost of 2 kilograms of flour if 3 kilograms cost $4.86 and the unit price for each package of flour is the same?
    • $0.81
    • $2.86
    • $3.24
    • $9.72
  • Question 5 (request help)

    One gallon of paint covers about 450 square feet. How many square feet will 1.5 gallons of paint cover?
    • \(300 ft^2\)
    • \(451.5 ft^2\)
    • \(675 ft^2\)
    • \(900 ft^2\)
  • Question 6 (request help)

    The graph shows the relationship between the late fines the library charges and the number of days late.
    • \(y = 0.25x\)
    • \(y = 0.40x\)
    • \(y = 0.50x\)
    • \(y = 0.75x\)

Mini-Task

  • Question 7 (request help)

    School is 2 miles from home along a straight road. The table shows your distance from home as you walk home at a constant rate.

    a. Is the relationship in the table proportional?
  •    
  • Question 7 (request help)

    b. Find your distance from school for each time in the table.
  • Type below:
  • Question 7 (request help)

    c. Write an equation representing the relationship between the distance from school and time walking.
  • Type below:

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