Question

The number of CDs sold has decreased each year. The graph shows the number of CDs sold in a given year. (coordinate graph)

Which is a reasonable inference for the number of CDs at month 9?

http://static.k12.com/calms_media/media/1417000_1417500/1417245/1/4761117d39c6b9ea4d31c6cdf79ff508f5355649/MS_PA_130905_170051.jpg

A.
200

B.
400

C.
500

D.
600

Answer 1

Since we know that the number of CDs are decreasing by each month, we know it can't be 500 or 600. Since month 8 had 400 already we can't have B. So the only option left is A (200).

Answer 2

thank you!

Answer 3

welcome