80 is increased by 50%. Find the final number.
Options:
(A) 100
(B) 110
(C) 120
(D) 30
(E) 160 Stream of consciousness:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Final number = Initial number + 50%(original number) = 80 + 50%(80) = 80 + 40 = 120.
Thus, the answer is (C).