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?
-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 when is ?
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).