CFA1 Unit 1 Review

Which is an example of typing 36 words per minute?

• 108 words in 6 minutes

• 144 words in 4 minutes

• 45 words in 5 minutes

• 180 words in 5 minutes

Which ratio is expressed as a unit rate?

• $\frac{6\ miles}{50\ \min}$

• $\frac{4.00\ dollars}{lb}$

• $\frac{26\ miles}{3\ hours}$

Armando started a marble collection of red and blue marbles. The ratio of total marbles collected to red marbles is 13:2. Select two statements that are true about Armando's collection.

• The ratio of red marbles to blue marbles is 2:11

• There are more blue marbles collected than red.

• The ratio of blue marbles to total is 10:13.

• There cannot be more than 13 total marbles in Armando's collection.

Taylor earns $8 per hour babysitting. How many hours does she need to work to earn $56?

• 4 Hours

• 6 hours

• 9 Hours

• 7 Hours

The ratio of cups of flour to batches of brownies is  $\frac{4\ cups\ of\ flour}{16\ batches}$ . What rates are equivalent?

•  $\frac{1\ cup\ of\ flour}{5\ batches}$  

•  $\frac{1\ cup\ of\ flour}{4\ batches}$  

•  $\frac{3\ cups\ of\ flour}{12\ batches}$  

•  $\frac{5\ cups\ of\ flour}{20\ batches}$  

A weather report indicated that it rained 3 days last week. Which represents a ratio comparing the number of days it rained to number of days it did not rain last week?

• 3:4

• 4 to 7

• $\frac{3}{4}$

• 3:7

A plane is traveling 1500 miles in 5 minutes. Which rates shows how far the plane traveled per minute?

• 50 miles per minute

• 300 miles per minute

• 30 miles per minute

• 500 miles per minute

Food Max is selling 5 bags of chips for $8.00. Winco is selling 4 bags of chips for $6.00. Which store is offering the lower price per bag?

• Food Max

• Winco

3 sandwiches cost $18.00. What would be the cost for 12 sandwiches?

• $6

• $70

• $60

• $72

An elevator travels 24 inches in 3 seconds. How many inches does the elevator travel after 6 seconds?

• 42 inches

• 48 inches

• 54 inches

• 36 inches