Practical Applications of Ratios and Percentages

This video tutorial covers unit rates and percentages through 13 problems. It includes conversion problems, cost comparisons, speed calculations, and percentage-based evaluations. The tutorial uses T-tables and diagrams to solve problems, helping students prepare for their unit test.

If a large bucket holds 5 gallons of water, which is equivalent to 19 liters, how many liters does a small bucket hold if it contains 2 gallons?

• 8.5 liters

• 7.6 liters

• 9.2 liters

• 6.8 liters

You bought a bottle of sparkling water last week for $1.69. This week, it's on sale for 4 bottles for $5. How much did you save per bottle this week?

• $0.30

• $0.25

• $0.44

• $0.50

If 2 pounds of grapes cost $6, what is the cost per pound?

• $3

• $2

• $4

• $1.50

A cheetah runs 120 meters in 4 seconds. What is its speed in meters per second?

• 35 m/s

• 30 m/s

• 40 m/s

• 25 m/s

A penguin walks 10 feet in 6 seconds. How far does it walk in 45 seconds?

• 70 feet

• 80 feet

• 85 feet

• 75 feet

Which is the better deal: 10 tacos for $8.49 or 6 tacos for $5.40?

• 10 tacos for $8.49

• 6 tacos for $5.40

• Both are the same

• Depends on the taco size

What percentage of a dollar is 8 dimes?

• 75%

• 85%

• 90%

• 80%

A jet plane uses 130,000 liters of fuel during a flight. If its capacity is 200,000 liters, what percentage of its fuel capacity did it use?

• 75%

• 60%

• 65%

• 70%

If a small container holds 75% as much as a large container, and the small one holds 36 units, how many units does the large one hold?

• 45 units

• 50 units

• 48 units

• 42 units

How long is 75% of 60 minutes?

• 50 minutes

• 45 minutes

• 55 minutes

• 40 minutes