Unit Rate and Constant of Prop.

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

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

• 16 customers per hour

• 12 customers per hour

• 20 customers per hour

• 15 customers per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.NS.B.2

CCSS.6.RP.A.3

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

• $3.60

• $3.55

• $3.40

• $3.50

Tags

CCSS.6.NS.B.3

What is the constant of proportionality (in miles per hour) based on the table?

• 45
• 90
• 135

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 6

• k = 12

• k = 1/6

• k = 1/12

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 5

• k = 1/5

• k = 1

• k = 2.5

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Find the unit rate of $97.50 for 15 pizzas.

• $6 per pizza

• $82.50 per pizza

• $5.50 per pizza

• $6.50 per pizza

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Artie earns he same amount of money for each hour he works. Last week, he worked 40 hours and was paid $612. What is the constant of proportionality that represents , y, the amount paid and, x, the amount of hours he works?

• 5.50

• 17

• 15.3

• 2.5