11. The rule for a pattern is “Add 2, subtract 1, add 3, subtract 1, add 4, subtract 1, and soon.” For example, if you start at 10, the next six numbers are 12, 11, 14, 13, 17, and 16.

a)Start at 50, and write the next five numbers in the sequence.

b)Start at 29, and write the next four numbers in the sequence.