Question

The sum of 5 consecutive even numbers is 135.
What is the fifth number in this sequence?

Answer 1

let smallest even number be x
numbers =x+2,x+4,x+6,x+8,x

x+x+2+x+4+x+6+x+8=135
5x+20=135
5x=135-20
x=115÷5
x=23
fifth number=23+8=31