Proportions or Nonproportional

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30

• $20

• $60

• $10

12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 weeks

• 6 weeks

• 30 weeks

• 20 weeks

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet

• 21 feet

• 27 feet

• 32 feet

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

If a car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480 miles

• 1,960 miles

• 84 miles

• 25 miles

A shop produces 39 wetsuits every 2 weeks.  How long will it take the shop to produce 429 wetsuits?

• 18 wk

• 20 wk

• 22 wk

• 24 wk

What is the constant of proportionality for the table above?

• X 2

• X 1/2

• X 3

• None of the above

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

How do I find the constant of proportionality (k=?)?

• k = x/y

• k = 2x

• k = y/x

• k = 2y

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour