Question

Over her summer break, Kim had to read a total of fifteen books before school started again in the fall. She tracked her progress weekly and made the following graph.

The graph titled Kim’s Reading shows number of books on y-axis and number of weeks on x-axis. Kim graphed the points (0, 0), (1, 1), (2, 3), (3, 5), (4, 7), (5, 8), (6, 9), (7, 9), (8, 11), (9, 14), and (10, 15).

According to the graph, about how many books did Kim read each week?

A.
2
3

B.
1
1
2

C.
2
1
2

D.
15

Answer 1

Total = 15 books over 10 weeks, so average = 15 ÷ 10 = 1.5 books per week, i.e. 1 1/2. Answer: B.