How do you show work for this problem?

Bananas are $ 0.59/pound

a. What is the constant of proportionality?

b. How much does 25 pounds of bananas cost?

A) In this case, the constant of proportionality is $0.59, as this remains the same, regardless of the different quantities.

B) For this, you simply have to multiply $0.59 by 25, giving you $14.75.

If you are looking at this equation, it will be in the form of y=kx, where k and x are constants.