Answer:
5u - 23
Step-by-step explanation:
60
half of 2/5 is 1/5 so half of 24 is 12.
since 12 is 1/5 of the number multiply 12 by 5 and you get 60.
the answer to your question is b
steps below
1. 1 + 1/2*(n-1) : 3, 7/2, 4, 9/2
2. 1 + 1/3*(n-1): 7/3, 8/3, 9/3, 10/3
3. 3/2 + 1/2*(n-1): 4, 9/2, 5
4. 1, 4, 16, 19, 76...79, 316, 319, 1276 ...
