### Home > CAAC > Chapter 2 > Lesson 2.2.1 > Problem 2-98

2-98.

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. Homework Help ✎

According to the graph, about how much money had Steven saved after 2 weeks of school?

About how much money did Steven probably have after 4 weeks of school? How can you tell?

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

He saved $40.

Imagine a line that best represents the trend of the graph.

What is the *y*-coordinate of the line when *x* equals 4?

≈ $55

Follow the steps in part (b).