Mr. Hartill lives in Indianapolis, Indiana. Last year, his adjusted gross income was $84, 869. How much did Mr. Hartill owe in s
1 answer:
You might be interested in
Answer:
the common difference is 6.
Step-by-step explanation:
Given;
first term of an AP, a = -7
let the common difference = d
The third term is written as;
T₃ = a + 2d
The eight term is written as;
T₈ = a + 7d
The ratio of the eight term to third term = 7:1
Therefore, the common difference is 6.