You operate a dog-walking service. You have 50 customers per week when you charge walk. For each $1 decrease in per your fee for walking a dog, you get 5
more customers per week. Cand get 5. ever earn. you $7.50 in a week? Explain.
What quadratic equation in standard form use to model this situation?
How can the discriminate of the equation help you solve the problem?
