The sum of three consecutive numbers is 42. What is the biggest of these numbers?

1 Answer
Jan 30, 2017

You can represent consecutive numbers as x, x+1, and x+2.

Explanation:

Add the expressions together: x + x + 1 + x + 2 = 42
and solve: 3x + 3=42
subtract 3: 3x = 39
divide by 3: x = 13 so x+1 = 14 and x+2 = 15.