Represent Proportional Relationships by Equations Practice Test

A landscaping company's profit $$P$$ (in dollars) is proportional to the number of lawns $$n$$ they service each week. When they service $$24$$ lawns, their profit is $$\960$$. If their goal is to earn $$\1400$$ profit next week, which equation should they use to find how many lawns to service?

The cost $$C$$ (in dollars) of buying pencils is proportional to the number of pencils $$n$$ purchased. A student writes the equation $$C = 0.75n$$ to model this relationship. If the student later discovers that $$30$$ pencils actually cost $$\18$$, what should the correct equation be?