Answer:
- 57
Step-by-step explanation:
The n th term of an arithmetic sequence is
[tex]a_{n}[/tex] = a + (n - 1)d
where a is the first term and d the common difference
Here a = 13 and d = - 2.5, thus
[tex]a_{29}[/tex] = 13 + (28 × - 2.5) = 13 - 70 = - 57