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?
Follow the steps in part (b).