7th Grade Unit 4 Test

The graph represents the linear relationship between the number of books Layla has read and the number of months she has been a member of a book club.

Which of these statements is supported by the rate of change in this relationship?

• A. Layla read 2 books in the first 3 months she was a member of the book club.

• b. Layla read 3 books in the first 2 months she was a member of the book club.

• c. Layla read 3 books in the first 4 months she was a member of the book club.

• d. Layla read 4 books in the first 3 months she was a member of the book club.

Which of these does NOT represent the distance a car travels when going 55 miles per hour?

• A. d = 55t, where d represents distance in miles and t represents time in hours.

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• C. In three hours a car will travel a distance of 160 miles.

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An artist is making a scale model of a statue. On the model, 2 inches represents 1 foot on the actual statue. Which graph best represents this relationship?

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Tareq pays @22.10 for 2.6 pounds of salmon. What is the price per pound of the salmon?

• A. $57.46

• B. $8.50

• C. $19.50

• D. $24.70

A worker uses 450 inches of steel wire to make 300 springs of the same size. At this rate, how many inches of steel wire are needed to make one spring?

• $A.\ \frac{1}{3}\ in.\$

• $B.\ \frac{1}{15}\ in.$

• $C.\ \frac{2}{3}\ in.\$

• $D.\ 1\frac{1}{2}in.\$

A recipe says to use 3 cups of flour to make 48 cookies. What is the constant of proportionality that relates the number of cookies made, y, to the number of cups of flour used, x?

• A. 0.6

• B. 48

• C. 3

• D. 16

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Perry traveled at an average speed of 55 miles per hour for 3.5 hours and then traveled at an average speed of 60 miles per hour for 2.5 hours. What was the total distance in miles that Perry traveled during this time?

• A. 347.5 miles

• B. 330 miles

• C. 360 miles

• D. 342.5 miles

The rate of boys to girls in Ms. Cunningham's class is 2 to 3. There are 18 girls in the class. What is the total number of students in Ms. Cunningham's class?

• A. 12

• B. 30

• C. 45

• D. 27

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

The price of a video game was reduced from $60 to $45. By what percentage was the price of the video game reduced?

• A. 15%

• B. 25%

• C. 75%

• D. 40%

Chris bought 10.4 gallons of gasoline. There are approximately 3.8 liters in 1 gallon. Which measurement is closest to the number of liters of gasoline Chris bought?

• A. 11.44 L

• B. 2.74 L

• C. 39.52 L

• D. 14.20 L