Proportional Relationships and Equations Word Problems

Which equation DOES NOT show a proportional relationship?

• y = 5x + 3

• y = 1/2x

• 1/5x = y

• y = 0.5x

SELECT ALL equations that DO represent proportional relationships

• y = 3x

• y = 2x

• 1/8x = y

• y = 2x + 5

• y = 1/2x + 5

Which situation DOES NOT represent a proportional relationship?

• Mike makes $15 an hour

• Jack makes $20 an hour

• Martin makes $30 an hour plus $50 in tips

• Juan makes $40 an hour.

Bella is making a recipe that requires a certain ratio of sugar to flour. If she uses 16 cups of flour, how many cups of sugar does she need to maintain the ratio of 60:48?

• 3

• 15

• 20

• 10

The fee to check luggage with a

new airline is based on the weight

of each bag. Brett paid $7.14 to

check a 42-pound bag. How

much will Eileen pay if her bag

weighs 63 pounds?

• $10.71

• $449.82

• $409

• $107.10

Solve.

• 3

• 15

• 20

• 10

The fee to check luggage with a new airline is based on the weight of each bag. Brett paid $7.14 to check a 42-pound bag. How much will Eileen pay if her bag weighs 63 pounds?

• $10.71

• $449.82

• $409

• $107.10

Samantha runs 2 miles in 20 minutes.  About how far does she run in 55 minutes?

• 4.5 miles

• 5.5 miles

• 55 miles

• 7.2 miles

The fee to check luggage with a new airline is based on the weight of each bag. Brett paid $7.14 to check a 42-pound bag. How much will Eileen pay if her bag weighs 63 pounds?

• $10.71

• $449.82

• $409

• $107.10

While preparing for a triathlon, Janecia swims 8 minutes for every 20 minutes she bikes.  If she swims 72 minutes, how long does she bike for?

• 180 minutes

• 144 minutes

• 92 minutes

• 80 minutes