Question

Zoe keeps track of the miles per gallon her car gets per week. She has accumulated the following data:

(1, 24), (2, 24.38), (3, 24.76), (4, 25.14)

A. The common difference is 0.38
B. The common difference is 0.76
C. The common ratio is 0.99
D. The common ratio is 1.02

Answer 1

Subtract the mpg for each week from the following week.

25.14 - 25.76 = ?

Answer 2

The anwser is 0.38. It’s because 25.14 - 24.78 = 0.38, 24.78 -24.38 = 0.38, and 24.38 - 24 = 0.38. The common difference is 0.38