The sum of three consecutive even numbers is 36. Find the highest of them.

解

T h e s u m o f t h ree co n sec u t i v e e v e n n u mb ers i s 36. F in d t h e hi g h es t o f t h e m .

The largest number : 14

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 = 36

解く

x + x + 2 + x + 4 = 36 : x = 10

x + 2 = 10 + 2 = 12

x + 4 = 10 + 4 = 14

Select the largest solution:

14

The largest number : 14