Find the average of each set of numbers.

(a) 26 and 32

(b) 42 and 24

(c) 65 and 75

(a) (26 + 32) ÷ 2 = 29

(b) (42 + 24) ÷ 2 = 33

(c) (65 + 75) ÷ 2 = 70