STAAR Review Quiz 2 (Retake)

What is the constant of proportionality that relates y, the total cost in dollars, to x, the number of tickets purchased?

• 4.00

• 0.25

• 1.00

• 0.10

Cheddar cheese costs $4.25 per pound. Which equation best represents y, the total cost of x pounds of cheddar cheese?

• x = 4.25 + y

• x = 4.25y

• y = 4.25 + x

• y = 4.25x

The ratio of boys to girls in Ms. Cunningham's class is 2 to 3. There are 18 girls in the class. What is the total number of students in Ms. Cunningham's class?

• 12

• 30

• 45

• 27

Yvette uses 6 grams of tea leaves to make 24 fluid ounces of tea. Last week she made 288 fluid ounces of tea. How many grams of tea leaves did Yvette use to make tea last week?

• 0.5 g

• 1,152 g

• 72 g

• 2 g

A worker uses 450 inches of steel wire to make 300 springs of the same size. At this rate how many inches of steel wire are needed to make 1 spring?

• 1/3 in.

• 1/15 in.

• 2/3 in.

• 1.5 in.

Tareq pays $22.10 for 2.6 pounds of salmon. What is the price per pound of the salmon?

• $57.46

• $8.50

• $19.50

• $24.70

Which of these doe NOT represent the distance a car travels when going 55 miles per hour?

• A

• B

• C

• D

Carrie missed 9.6% of the problems on a test. The test had a total of 125 problems. Which of the following is the best estimate of the number of problems Carrie missed?

• 123

• 13

• 2

• 113

Russell has a collection of 1,200 pennies. Of these pennies, 25% are dated before 1980, 35% are dated from 1980 to 2000, and the rest are dated after 2000.

How many pennies in Russell's collection are dated after 2000?

• 480

• 720

• 40

• 60

The price of a video game was reduced from $60 to $45. By what percentage was the price of the video game reduced?

• 15%

• 25%

• 75%

• 40%