Proportions vs Nonproportions

A gymnast burns 15 calories a minute.

• Proportional

• Nonproportional

Mason sends 15 text messages each day.

• Proportional

• Nonproportional

The cost of popcorn is $2.50 for each bag.

• Proportional

• Nonproportional

Which statement best describes the relationship between x (dogs) and y(paws) in the table?

• Proportional

• Not Proportional

Solve for x 

• x = 16

• x = 28

• x = 1/26

• x = 26

Solve the proportion:

• 4

• 8

• 14

• 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

Solve for x