Ratios for Better Buy

Fernando bought 5 pencils for $1.00.  What is the unit price per pencil?

• $0.20

• $0.50

• $0.95

• $0.25

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

• 8 pack

• 12 pack

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

You go to the grocery store to buy dog food. The store has three sizes available:
A 20-lb bag for $23.44
An 8-lb bag for $9.88
A 40-lb bag for $49.00
Which size bag has the lowest cost per pound rounded to the nearest cent?

• The 8-lb bag

• The 20-lb bag

• The 40-lb bag

• I have a cat

Adithya's favorite brand of peanut butter is available in two sizes.  The regular size costs $3.36 for 16 ounces.  The family size costs $7.60 for 40 ounces.  Which is the better buy?

• Family Size

• Regular Size

Which package is the better buy? 
10 pound bag of peanuts for $10.04 or a 15 pound of peanuts for $16.10? 

• 10 pound bag 

• 15 pound bag 

• 3 pounds for $6.00

• 5 pounds for $8.00

• Both are the same

• Cannot be determined

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

• The 12 pack of Coke

• The 6 pack of Coke

• Neither

• They are the same

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Is this table proportional?

• Yes

• No