### Home > CCAA > Chapter 8 Unit 10 > Lesson CC3: 8.2.4 > Problem 8-113

8-113.

Since the beginning of school, Steven has been saving money to buy a new MP3 player. His bank balance is represented by the graph below.

According to the graph, about how much money had Steven saved after

weeks of school? Since the

-axis represents the number of weeks of school, locate and move vertically along the line until you find the graphed point. What is the -coordinate for this point? He's saved about

About how much money did Steven probably have after

weeks of school? How can you tell? Imagine a line that best represents the trend of the graph.

What is the

-coordinate of the line whenis? about

If he keeps saving at the same rate, how much will he have saved by Week 7? Explain how you know.

Follow the steps in part (b).