The list is 20, 22, 26, 32, ...
\Let n be the next term.
\Write an equation for the situation.
\Previous term + 8 = Next term.
\ (Substitute previous term = 32 and next term = n)
(Add:
)
The extended pattern is
\The next term in the given list is 40.
\The next term in the given list is 40.