Question

If the sum of three consecutive integer is 30, then the middle number?

Answer 1

Answer:

three consecutive integers = x, x+1, x+2

.°. x+x+1+x+2 = 30

3x + 3 = 30

3x = 27

x = 27/3

x = 9

.°. middle number = x+1 = 9+1 = 10