Question

Joe picks three numbers and calls them x, x+2 and x+4. Find the difference between the largest and smallest numbers?
choices : 2 , 4 , -4

Answer 1

Answer:

$largest = x + 4 \\ smallest = x \\ range = (x + 4) - (x) \\ = 4$

Answer 2

4 is the largest and -4 is the smallest hence the negative