Question

What is the common difference in the following arithmetic sequence?

2.8, 4.4, 6, 7.6, ...
–4.8
–1.6
1.6
4.8

Answer 1

1.6

Explanation:

4,4-2.8 = 1.6

6-4.4 = 1.6

7.6-6 = 1.6

Then common difference is 1.6