UNIT 3 - CHECKPOINT 1

Sophie can type 128 words in 3 minutes. How many minutes will it take her to type 576 words?

A pet boarder keeps a dog-to-cat ratio of 5:2. If the boarder has room for 98 animals, then how many of them can be dogs?

Which set of ratios below is equivalent to 4:5?

• 8 TO 10, 10/15

• 8 TO 10, 16/20

• 15/20, 20:25

• 40/50, 24:36

Marco is 6 feet 3 inches tall. There are 2.54 centimeters in 1 inch. What is Marco’s height in centimeters?

The distance between the school and the park is 6 km. There are 1.6 km in 1 mile. How many miles apart are the school and the park?

Three students wrote equivalent ratios on their dry erase boards. Which of these students wrote an equation that is true?

• Jasmine and Lian

• Noah and Lian

• Only Noah

• Only Lian

Harvard University accepts 6 students for every 100 applicants. How many students will be accepted if 850 apply for admission?

A college has 19 engineering students for every 81 students enrolled. If the college has 750 students, approximately how many are engineering students?

• 176

• 143

• 607

• 165

De’Shawn pays $8.16 for 12 pounds of sugar. What is the price per pound of sugar?

• $0.68/LB

• $0.72/LB

• $0.75/LB

• $0.80/LB

On a family road trip, Mr. Peters travels 130 miles in 2 hours. At this rate, how many miles will he travel in 30 minutes?