The sum of three consecutive odd natural numbers is 38 more than the average of these numbers. What is the smallest of these numbers?
17
Let the numbers be x, x + 2 and x + 4.
Then, [x + (x+2) + (x+4)] - x+(x+2)+(x+4)3 = 38
⟹(3x + 6) -(3x+6)3 = 38
⟹2(3x + 6) = 114 or 6x =102
⟹x = 17