Math 7Acc - Unit 2 Test (Unit Rates and Proportionality)

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

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

• $.50 per pound

• $1.25 per pound

• $3 per pound

• $2.50 per pound

My father drove 231 miles with 7 gallons of gas.  What was his mileage (miles per gallon)?

• 35 miles per gallon
• 33 miles per gallon
• 37 miles per gallon

Which is the better buy? A 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

• The 12-pack

• The 6-pack

• They're the same

• Neither, I prefer Coke

A cashier at the grocery store rung up 2 customers in 8 minutes. At this rate, how many customers can he ring up in 30 minutes?

• 16 customers

• 10.5 customers

• 7.5 customers

• 14 customers

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

• 400 miles

• 325 miles

• 575 miles

• 650 miles

My aunt paid $124 for 4 concert tickets.  What is the rate for 7 concert tickets?

• $210
• $264
• $217
• $224

A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/2 hours

• 1 mile/1 hour

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• The graph is proportional  because it is linear.
• The graph is proportional because it is linear and passes through the origin.
• The graph is not proportional because it does not pass through the origin.
• The graph is not proportional because it is not linear and it does not pass through the origin.