At a grocery store, the price of a watermelon is determined by how many pounds the watermelon weighs. The price of a watermelon that weighs 7.3 pounds is $4.38. a) Write an equation that can be used to determine the price, p, in dollars, of any
watermelon based on the number of pounds, w, the watermelon weighs.

b) What is the constant of proportionality and what does it mean in the context of
this problem?

c) How much does a 22.5-pound watermelon cost?