Question

The sum of three consecutive numbers is 72. What are the smallest of these numbers?

Answer 1

Answer: 23,24,25

Explanation:

Obviously the numbers are about 72÷3 = 24 so see if 23,24,25 works. It does. No need to solve

(i-1) + (i) + (i+i) = 72, 3i=72, i=24.