The price of a gallon of gasoline increased by 5 cents one week, decreased by 3 cents each of the next two weeks, and increased by 9 cents the fourth week. Find the average change in the price of gasolina for the 4 weeks.

5 answers

14 - 6 = 8

8/4 = ?
thank you. please can you tell me how do you get 14 and 6 please. I want to understand. Thank you
Increase: 5 * 9 = 14
Decrease: 3 * 2 = -6
thank you very much
You are very welcome.