Relationships between Variables 7th Grade

A family makes homemade pickles. They pack the pickles at a rate of 80 pickles per 5 jars. Which answer choices best represent packing y pickles in x jars at that rate? Select TWO correct answers.

• A

• B

• C

• D

• E

A dog eats 1.25 cups of dog food twice a day. Which graph best represents this relationship?

• Graph A

• Graph B

• Graph C

• Graph D

An online game increases in number of users at a rate of 500 users each day. Which graph best represents the relationship between Y, the number of users, and X, the number of days?

• Graph A

• Graph B

• Graph C

• Graph D

A student in a foreign language program learns 15 new words each week. Which graph best represents the relationship between x, the number of weeks the student has been in the program and y, the total number of new words the student has learned?

• Graph F

• Graph H

• Graph G

• Graph J

Natasha has a job putting letters in envelopes to be mailed. In 1 hour she put 42 letters in envelopes. Which equation best represents y, the total number of letters Natasha puts in envelopes in x hours if she continues at this rate?

• y = x + 42

• y = x + 42

• x = 42y

• y = 42x

Pamela rode her bike at a constant rate of 0.1 kilometer per minute. Which table represents y, the number of kilometers Pamela rode her bike in x minutes?

• Table F

• Table G

• Table H

• Table J

Which answer choice represents a person burning 90 calories by climbing 18 flights of stairs?

• A

• B

• C

• D

A shopper pays $3.95 for 5 pounds of potatoes. What is the price per pound for potatoes?

• $0.40

• $0.79

• $1.05

• $1.27

Based on the data in the table, which brand of sunscreen has the greatest cost per fluid ounce?

• Brand W

• Brand X

• Brand Y

• Brand Z

Hector paid $105 for 6 tickets to a hockey game. Each ticket cost the same amount. What was the cost of each ticket in dollars and cents? Record your answer below.