IAR Practice #2

The perimeter of Yui’s zen garden is 32 meters. The length of the garden is 3 times its width.

What is the length, in meters, of Yui’s zen garden?

The box plots represent the numbers of daily customers recorded by each of two helicopter tour companies located at a mountain resort.

Which statement about the data in the box plots is true?

• The number of daily customers for The Sky’s the Limit always exceeds the number of daily customers for Haley’s Helicopter Tours.

• The number of daily customers for The Sky’s the Limit varies more than the number of daily customers for Haley’s Helicopter Tours.

• The number of daily customers for Haley’s Helicopter Tours varies more than the number of daily customers for The Sky’s the Limit.

• The difference between the median numbers of daily customers for The Sky’s the Limit and Haley’s Helicopter Tours is 30.

Mr. Allison earns an annual base salary of $35,000 plus 8% of his annual sales. If he earned a total of $41,000 last year, which equation could be used to determine a, the amount of Mr. Allison’s annual sales?

• 35,000 + 0.08a = 41,000

• 35,000 + 8a = 41,000

• 8 + a = 41,000

• 0.08a = 41,000

A park, a school, a library, and a post office are all on the same road, which runs north and south. The park is 2 1/2 miles north of the school. The library is 2 1/2 miles south of the school. The post office is 3 1/4 miles south of the school.

What is the distance from the park to the library, in miles?

A park, a school, a library, and a post office are all on the same road, which runs north and south. The park is 2 1/2 miles north of the school. The library is 2 1/2 miles south of the school. The post office is 3 1/4 miles south of the school.

What is the distance from the park to the post office, in miles?

Joley bought x hockey tickets for a hockey game for $118.32 each. The processing fee was $29.45. Joley spent a total of $502.73.

How many hockey tickets did Joley buy?

A group of students are conducting a survey about the favorite sport among 7th graders at their school. They plan to conduct a survey with a sample of students. Which approach will give them the most representative sample?

• Surveying only the students who are their friends

• Surveying all the students in one 7th grade homeroom class

• Surveying only the students who are in the school’s sports club

• Surveying a randomly selected group of 7th grade students from different classes

A map uses a scale where 1 inch represents 200 feet.

On the map, the length of a city block is 3.75 inches. What is the length, in feet, of the actual city block?

A number cube has sides numbered from 1 to 6. The cube is rolled 900 times. About how many times would the cube be expected to land with a number less than 3 face up?

• 150

• 300

• 450

• 600

The total cost of baseballs is proportional to the number of baseballs purchased. The table shows the total cost in dollars, t, of n baseballs.

Write an equation to represent the proportional relationship. (HINT: y=mx+b)

Tags

CCSS.8.F.A.3

CCSS.8.EE.B.6