Question

In this arithmetic sequence 3, 8, 13, 18, ... which term has the the value 123?

25
24
617
613

Answer 1

term 25

Explanation:

a is the number added from 3 to 8 is 5(must be constant like 8 to 13 is also 5

b is the zero term so 3-a which is 3-5=-2