Erica wants to make a donation to a charity at the end of the year. She starts by saving a small amount of money each week, as shown in the graph.
Savings for Charity
40
- Complete the equation to show the relationship
between the number of weeks, x, and the total
amount saved, y.
36
32
28
24
Amount Saved (dollars)
20
16
12
8
4
0
0 1
2 3
7
8
9
10
4 5 6
Weeks