Question

The average of 3 consecutive even numbers is 18 , find the largest of these numbers . A . 15 B . 16 C . 20 D . 26

Answer 1

Answer:

C) 20

Step-by-step explanation:

average of 3 consecutive even numbers : 18

the three even numbers are : x , x+2 , x+4

x + x + 2 + x + 4      = 18

        3

3x + 6 = 54

3x = 48

x = 16

largest number = x + 4

                         = 16 + 4

                         = 20