Proportions

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

Which statement best describes the relationship between x and y in the table?

• Proportional
• Not Proportional

• are
• are not

Solve for x 

• x = 16
• x = 28
• x = 1/26
• x = 26

Solve the proportion:

• 4
• 8
• 14
• 10

Solve for x 

At the same time a 6 foot person casts a 2 foot shadow, a nearby flagpole casts a ten foot shadow.  How tall is the flagpole?

• 3 feet
• 10 feet
• 16 feet
• 30 feet