Four consecutive even integers have a sum of 212. What are the integers?

解

F o u r co n sec u t i v e e v e n in t e g ers ha v e a s u m o f 212. Wha t a re t h e in t e g ers ?

The numbers : 50, 52, 54, 56

解答ステップ

Represent the numbers with

x

First number : x

Consecutive number 1 : x + 2

Consecutive number 2 : x + 4

Consecutive number 3 : x + 6

A.T.Q.:

x + x + 2 + x + 4 + x + 6 = 212

解く

x + x + 2 + x + 4 + x + 6 = 212 : x = 50

x + 2 = 50 + 2 = 52

x + 4 = 50 + 4 = 54

x + 6 = 50 + 6 = 56

The numbers : 50, 52, 54, 56