Gas Efficiency and Cost Calculations

The video tutorial covers lesson nine on representing proportional relationships with equations. It includes examples such as calculating the time to build birdhouses, creating equations for produce stands, and solving gas mileage problems. The tutorial emphasizes understanding unit rates and constant proportionality to solve real-world problems.

If Jackson builds birdhouses at a constant rate, how many birdhouses can he complete in 10 hours?

• 70

• 35

• 28

• 14

What is the constant rate of building birdhouses per hour for Jackson?

• 0.7

• 1.0

• 2.0

• 1.4

How much does one ear of corn cost at Al's produce stand?

• $0.15

• $0.25

• $0.20

• $0.30

What is the cost per ear of corn at Barber's produce stand?

• $0.24

• $0.30

• $0.20

• $0.15

How many miles can be driven with 5 gallons of gas if the car's efficiency is 31 miles per gallon?

• 155

• 150

• 165

• 160

If a car has driven 310 miles, how many gallons of gas were used if the efficiency is 31 miles per gallon?

• 25

• 20

• 15

• 10

What is the constant proportionality (k value) for the miles per gallon scenario discussed?

• 28

• 35

• 25

• 31

If Kayla's car has a 22-gallon tank, how far can she drive if her car's efficiency is 28 miles per gallon?

• 700

• 650

• 600

• 616

How many gallons of gas are needed for a 600-mile trip if the car's efficiency is 28 miles per gallon?

• 21.43

• 20.00

• 22.00

• 23.50

If Kayla drives 224 miles in a week, how many gallons of gas does she use if her car's efficiency is 28 miles per gallon?

• 10

• 8

• 14

• 12