Unit Rates and Speed Calculations

The video tutorial introduces the concept of rates and unit rates, explaining them through examples like eating burgers per minute. It covers the use of double number lines and ratio charts to calculate rates, such as speed in miles per hour and cost per gallon of gasoline. The tutorial includes practice problems to reinforce learning and concludes with a summary of key points.

What is the unit rate if Mr. Clee eats 3 burgers per minute?

• 1 burger per minute

• 3 burgers per minute

• 5 burgers per minute

• 10 burgers per minute

How do you find the unit rate using a double number line?

• Add all values together

• Find the value corresponding to 1 on the line

• Divide all values by the largest number

• Multiply all values by 2

If Blake rides his bike at 15 miles per hour, how long will it take him to travel 30 miles?

• 1 hour

• 2 hours

• 3 hours

• 4 hours

Who rides faster, Blake or Kelly, if Kelly's speed is 16 miles per hour?

• Kelly

• Blake

• Cannot be determined

• Both ride at the same speed

What is the rate per gallon if 5 gallons cost $13.50?

• $3.50 per gallon

• $2.50 per gallon

• $2.70 per gallon

• $3.00 per gallon

How much will it cost to fill a 26-gallon tank at $2.70 per gallon?

• $90.60

• $80.40

• $70.20

• $60.00

If a person spends $24.30 on gas at $2.70 per gallon, how many gallons did they purchase?

• 8 gallons

• 10 gallons

• 9 gallons

• 11 gallons

What is the unit rate if someone earns $20 per hour?

• $25 per hour

• $30 per hour

• $20 per hour

• $15 per hour

If a person works 8 hours at a rate of $20 per hour, how much do they earn?

• $180

• $140

• $120

• $160

How many hours does it take to earn $200 at a rate of $20 per hour?

• 5 hours

• 8 hours

• 12 hours

• 10 hours