Proportional relationship

Question

mana is saving yo buy a new bicycle. The equation d=12w represents the amount in dollars, d, that Mana saves in w weeks. What is the constant of proportionally? What does it represent in this situation?

Answer 1

The constant of proportionality is

 

d / w = 12

 

 

d/w  can be read as amount of dollars saved per week.  This means that each week, Mana saves 12 dollars.