Module 1.5 Equations of Proportional Relationships

Liv earns $9.50 for every two bracelets she sells. The equation y = 4.75x can be used to represent this situation.

What is the constant of proportionality?

Liv earns $9.50 for every two bracelets she sells. The equation y = 4.75x can be used to represent this situation.

The constant of proportionality represents the fact that Liv earns $

Christy earned $41.25 for selling 3 birdhouses at a craft market. The equation y=13.75x can be used to represent this situation.

What is the constant of proportionality?

John ran 3 miles in 25.5 minutes. The equation

y = 8.5x can be used to represent this situation.

What is the constant of proportionality?

Lincoln bought 3 bottles of an energy drink for $4.50. Write an equation relating the total cost y to the number of energy drinks bought x.

Use the format y=kx

The total cost of renting a cotton candy machine for 4 hours is $72. What equation can be used to model the total cost y for renting the cotton candy machine x hours?

Marley used 7 cups of water to make 4 loaves of French bread. What equation can be used to model the total cups of water needed y for making x loaves of French bread?

A furniture maker uses 3 legs for each stool that he builds. Write an equation to represent this proportional relationship. Let x represent the number of stools built and let y represent the number of legs needed.