7th grade 4/27

A store sells a 5-pound bag of apples for $4.60. Which of the following is NOT an equivalent price per pound of apples?

• a 20-pound bag for $18.40

• a 12-pound bag for $11.04

• a 7-pound bag for $6.44

• a 15-pound bag for $9.20

A company conducts research to predict how a new advertisement affects sales of a product. The equation below can be used to determine y, the number of people who buy the product if x people read the advertisement.

y = 0.08x + 7,400

If 7,496 people bought the product last week, how many people read the advertisement?

• 186,200

• 600

• 1,200

• 93,700

Wendy had 35 tickets for a games at a carnival. She used 1/5 of the tickets to play the ball-toss game. She then used 1/2 of the remaining tickets to play the ring-toss game, in which she won 5 more tickets. How many tickets did Wendy have after playing these games?

• 7

• 19

• 14

• 28

The graph below shows the number of books sold at a book fair in 5 days.

Based on the graph, which statement is true?

• The number of books sold on Day 3 was twice the number of books sold on Day 1.

• The number of books sold on Day 5 was half the number of books sold on Day 2.

• The number of books sold on Day 5 was about 93% of the number of books sold on Day 4.

• The number of books sold on Day 1 was about 12% of the number of books sold on Day 3.

A cafeteria manager surveyed a random sample of students at a school to determine which of two meal choices they prefer. The results of the survey are shown below.

· Chicken is preferred by 30 students.

· Pasta is preferred by 18 students.

Based on the results of the survey, how many of the 240 students at the school can be expected to prefer chicken?

• 210

• 150

• 80

• 190

Which equation best describes a relationship between x and y in the table below?

• y = 3x + 5

• y = 1/5x + 3

• y = 1/3x + 5

• y = x + 5

Leslie has two cups containing different-colored paper clips. The first cup contains 7 pink paper clips and 3 blue paper clips. The second cup contains 3 black paper clips, 1 red paperclip, and 6 orange paper clips. What is the probability that Leslie will randomly select a blue paper clip from the first cup and then randomly select an orange paper clip from the second cup?

• 7/8

• 9/10

• 9/14

• 9/50

Parallelogram PQRS is similar to parallelogram WXYZ.

What is the length of side YZ ?

• 3 units

• 11 2/3 units

• 5 units

• 4 1/5 units

A desk drawer contains the different-colored markers listed below.

· 3 green markers

· 5 blue markers

· 10 red markers

A marker will be randomly selected from the drawer and then replaced. Then another marker will be randomly selected from the drawer. What is the probability that a green marker will be selected both times?

• 1/36

• 1/6

• 1/51

• 1/54

The number of students in each of two exercise classes was the same. The box and whisker plots below represent the average amount of time the students in each class spent exercising daily outside class.

Based on the information in the box and whisker plots, which statement about the time spent exercising outside class appears to be true?

• The median amount of time the first class spent exercising was greater than the median amount of time the second class spent exercising.

• The range for the second class was less than the range for the first class.

• The interquartile range for the first class was less than the interquartile range for the second class.

• The minimum amount of time the second class spent exercising was greater than the minimum amount of time the first class spent exercising.