This Instructional Activity is a part of the Lesson 15, Unit 3, Grade 7. A local car dealership is trying to sell all of the cars that are on the lot. Currently,there are cars on the lot, and the general manager estimates that they will consistently sell 50 cars per week. Estimate how many weeks it will take for the number of cars on the lot to be less than 75. Write an inequality that can be used to find the number of full weeks it will take for the number of cars to be less than 75.