Constant of Proportionality, Proportional Relationships and Unit Rate

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar
• 6 cookies per dollar
• 9 cookies per dollar
• 1/9 dollars per cookie

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour
• 15 customers per hour
• 12 customers per hour
• 20 customers per hour

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour
• $6 per hour
• $6.80 per hour
• $17.40 per hour

What is the unit rate of the equation below?
y=2x

• 2
• 1/2
• 4
• x

What is the unit rate of the equation below?
m=1/3h

• 1/3
• 1
• 3
• h

What is the unit rate of the equation below?
y=1.25x

• .25
• 1
• 1.25
• x

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Is this table proportional?

• Yes
• No

Is the graph proportional or non proportional?

• proportional
• non proportional