There are 3 consecutive odd integers that add up to 285. What is the least of the 3 integers?

解

T h ere a re 3 co n sec u t i v e o dd in t e g ers t ha t a dd u p t o 285. Wha t i s t h e l e a s t o f t h e 3 in t e g ers ?

The smallest number : 93

解答ステップ

Represent the numbers with

x

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

A.T.Q.:

x + x + 2 + x + 4 = 285

解く

x + x + 2 + x + 4 = 285 : x = 93

x + 2 = 93 + 2 = 95

x + 4 = 93 + 4 = 97

Select the smallest solution:

93

The smallest number : 93