MCAS 2001, 8th Grade Math, Questions 21 to 24

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Question #21

Imelda will work 10 to 20 hours per week at her new job and will be paid $7.50 per hour. Which of the following shows how much she can earn per week?

Question #22

Eva has four sets of straws. The measurements of the straws are given below. Which set of straws could not be used to form a triangle?

A. Set 1: 4 cm, 4 cm, 7 cm

B. Set 2: 2 cm, 3 cm, 8 cm

C. Set 3: 3 cm, 4 cm, 5 cm

D. Set 4: 5 cm, 12 cm, 13 cm

Question #23

An eighth-grade class took a survey and found that the most popular types of music in their school were alternative rock, rap, and classic rock. They took a second survey to find out the students' preference among these three types of music. These are the results for 120 students.

a. Make a rough sketch of a circle graph displaying these data. Tell how many degrees should be in each sector of the graph.

b. Explain how you found the number of degrees for each sector.

Question #24

Lee correctly answered 11 out of 13 questions on the math test. To the nearest percent, what percent of the questions did Lee get correct?

A. 90%

B. 75%

C. 80%

D. 85%

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