Find the 25th term of the sequence 50, 45, 40, ...
(a) −55
(b) −65
(c) −70
(d) −75
Correct option (c) −70
Explanation:
The first term is 50 and the common difference is −5,
thus the 25th term is: 50 + 24 x (−5) = −70. Option
