(i) How many terms of the arithmetic sequence \(40,35,30,.....\) must be added together to obtain a total sum of
\(150\)?
Required number of terms \(=\) or
(Note: Enter the answers in ascending order)
(ii) Determine the sum of first \(30\) terms of the list of numbers whose \(n^{th}\) term is given by \(a_n= 5 + 3n\)
Sum of the first \(30\) terms \(=\)