Proportional Linear Relationships

Solve the following proportion:

• 34

• 8.5

• 15

• 10

The distance that an automobile travels is proportional to the time it travels. A car travels 280 miles in 7 hours. At the same rate, how far will it travel in 12 hours?

• 480

• 1960

• 84

• 25

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 1/2x

• x = 1/2y

• y = 2x

• k = x

Identify the constant of proportionality.

• k = 2

• k = 3

• k = 1.50

• k = 2/3

• none (not proportional)

The cost of downloading one song from a website is $0.99. Which equation can be used to find t, the cost in dollars of downloading n songs?

• t = 0.99 + n

• n = 0.99 + t

• t = 0.99n

• n = 0.99t

Hunter buys 36 baseball cards for $18. How many baseball cards can Troy buy if he has $9?

• 18 baseball cards

• 4 baseball cards

• 24 baseball cards

• 16 baseball cards

Ms. Hensley's family owns a green bean farm. If Ms. Hensley can grow 225 bushels in 3 acres, how many bushels can she grow in 9.6 acres?

• 720 bushels

• 675 bushels

• 75 bushels

Finley and Cooper are wanting to go to Skyzone. Finley pays $53.75 for 5 hours. How much will Cooper pay for 3 hours?

• $32.25

• $89.53

• 26.88

I paid $15.00 for 6 gallons of gasoline.
What was the price PER gallon?

• $0.40

• $9.00

• $2.50

• $0.90

Which statement matches the graph?

• Taylor can write 6 words per minute

• Taylor can write 25 words per minute

• Taylor can write 50 words per minute

• Taylor can write 150 words per minute