Proportion vs Nonproportions

Mason sends 15 text messages each day.

• Proportional

• Nonproportional

The cost of popcorn is $2.50 for each bag.

• Proportional

• Nonproportional

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Solve for x

• x = 19.6

• x = 5/98

• x = 101/5

Solve the proportion:

• 15

• 5

• 10

• 12

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Solve for x 

• x = 6

• x = 25

• x = 28

• x = 17

• 4
• 12