Question

The sum of three consecutive odd numbers is 45. What is the smallest of the these numbers

Answer 1

x + x + 2 + x + 4 = 45
3x + 6 = 45
3x = 39
x = 13
13 + 2 = 15
13 + 4 = 17
13 + 15 + 17 = 45
So the smallest consecutive number is 13