Saturday, July 17, 2010

The sum of three consectutive numbers is 69. What are they?

Solution: 22, 23, 24

First Integer: x
Second Integer: x + 1
Third Integer: x + 2

(x) + (x + 1) + (x + 2) = 69
3x + 3 = 69
3x + 3 - 3 = 69 - 3
3x = 66
(3x)/3 = 66/3
x = 22

No comments: