7th Grade Math Review

At Arab Junior High School, 280 students attended the Spring Dance, representing 80% of the students in the school. How many students are there at AJHS?

• 350

• 224

• 70

• 56

Write and solve an equation to find the value of x.

• x=144

• x=36

• x=44

• x=18

Use a tree diagram to determine how many different outfit combinations are possible.

• 12

• 7

• 6

• 10

Find the area of the entire figure.

• 58.26 cm^2

• 565.2 cm^2

• 44.13 cm^2

• 74.13 cm^2

• -3 1/4

• -1 3/4

• 7 3/4

• 3 1/4

What is the probability of picking a blue jelly bean from the bag? Write as a fraction, decimal, and percent.

• 1/3; 1.3; 1%

• 3/12; 3.12; 3%

• 1/3; 0.33; 33%

• 3/12; 0.25; 25%

The cost you pay for magnets is proportional to the number of magnets you buy. Four different souvenir shops sell magnets for different amounts, as shown in the graph, tables, and equation. Which shop should you go to if you want to pay the least amount for magnets? Explain your answer.

• Shop A

• Shop B

• Shop C

• Shop D