Rate and Proportions

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

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality (how much did he make per hour)?

• $37

• $64.75

• $9.25

• $18.50

What is the value of "x" in this proportion?

• 3

• 4

• 2

• 5

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $5 per pound

• $35 per pound

• 0.125 pounds per dollar

Does this equation represent a proportional relationship?

• Yes

• No

• A

• B

• C

• D

Tags

TEKS.MATH.6.4B

TEKS.MATH.6.4D

TEKS.MATH.6.5A

Pizzas are $10 each plus a $2 delivery fee. Is the cost proportional to the number of pizzas ordered?

• Yes, unit rate is $10

• Yes, Unit rate is $12

• No, unit rate not constant

• No, because Little Caesars is $5

Choose ALL representations of proportional relationships:

• 
• 
• 
• 

Are the ratios proportional or not proportional?

• Proportion

• Not a Proportion

A pharmacist filled 5 prescriptions in 20 minutes.  At this rate, how many prescriptions would the pharmacist expect to gill in 2 hours?

• 15

• 25

• 30

• 35