Find the 50th term

Question

1.3, 1.5, 1.7, 1.9, 2.1, ...

Answer 1

To find a certain term, use the following equation:

1. x_n = a + d(n-1)
2. a is the first term of the series
3. d is the difference between the terms
4. n is the term you are looking for 
5. 50th term = 1.3 + 0.2(50-1)
6. 11.1