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Home > CC1 > Chapter 2 > Lesson 2.1.2 > Problem 2-19


Ms. Katz paid for a used bicycle and then sold it to her neighbor for . She decided to buy it back, but she had to pay for it. If she then sold it again for , how much money did she make or lose overall? Show your solution in enough detail so a teammate could easily understand how you found your answer. Homework Help ✎

This problem is similar to problems involving distance. It is very helpful to think of every step individually.

When Joel did this problem, he said that Ms. Katz earned , since she bought the bicycle for  and eventually sold it for . Do you agree with Joel? What might he have done wrong?