Question

Is the sequence arithmetic? 15, 14.5, 14, 13.5, 13,....If so, give the common difference.
Ms. Sue
15 - 14.5 = 1.5
14.5 - 14 = 1.5
14 - 13.5 = ?

Anonymous
0.5?
Ms. Sue
Yes.

And thank you for catching my mistake! :-)