Ratios and Proportional Relationships

A washing machine is filling up with water at a constant rate. The rate is ¾ of a gallon in ¹/₅ of a minute. 

• 0.27 gallons per minute
• 3/20 gallons per minute
• 3 3/4 gallons per minute
• 0.95 gallons per minute

Tags

CCSS.7.RP.A.1

What is the unit rate if some idiot ran 6 1/2 miles in 1/2 hour?

• 13 miles per hour.
• 0.08 miles per hour
• 7 miles per hour
• Who would run that far?

Tags

CCSS.7.RP.A.1

At one farmer’s market, bananas cost $1.10 per pound. At another farmer’s market, bananas are sold in 5-pound bags for $6.50 per bag. Determine which the better buy and justify your reasoning. 

• $1.10 per pound is the better price per pound.
• $6.50 for a 5 pound bag is the better deal per pound.

Tags

CCSS.6.RP.A.3A

Ms. Graves gave her class 15 minutes to read.  Carrie read 4 pages in that time.  At this rate, in pages per hour, did Carrie read?

• 48 pages
• 49 pages
• 50 pages
• 51 pages

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Jose bought 1000 bags of peanuts for $475.00. He intends to sell each bag for $0.20 more than he paid. How much should he charge for each bag?

• $0.67
• $0.68
• $0.69
• $0.70

Tags

CCSS.7.EE.B.3

Given a table of values or a graph, how do you calculate the constant of proportionality, or slope?

• Divide y by x.
• Divide x by y.

Tags

CCSS.7.RP.A.2B

Given a table of ordered pairs, how would you determine if a set of data is a proportional relationship?

• y/x should be the same for each ordered pair.
• x/y should be the same for each ordered pair
• x should be equal to y.
• There is no such thing as a proportional relationship.

Tags

CCSS.7.RP.A.2A

A graph is shown with points (4, 6) and (8,12).  What is the constant of proportionality?

• 0.67
• 1
• 1.5
• 2

Tags

CCSS.7.RP.A.2B

Iliana signed up for a store credit card with no annual fee to get a discount of 22.5 percent off her entire first purchase. If she saved $8.10 on her first purchase by using this credit card, what was the total price of the items before the discount?

• $35.50
• $36.00
• $36.50
• $37.00

Tags

CCSS.6.RP.A.3C

Lamar is considering two loans.

  Loan A: Principal of $4700, rate of 9.25 percent, for 36 months
Loan B: Principal of 4750, rate of 8.90 percent, for 36 months
Which loan will have the lowest total payoff amount?

• He will pay less for loan A.
• He will pay less for loan B.

Tags

CCSS.7.RP.A.3