Question

Elijah played in a golf tournament. For the first three days he averaged a score of -2. On the fourth day he shot a +2. What was his average for all four days?

Answer 1

if he had an average score of -2 for the first three days then he has -2,-2,-2
the fourth is 2
add together is -4
divide by 4(number of days)
-1
his average score is -1

Answer 2

-2, -2, -2, +2

-2 + -2 + -2 + 2
-2 -2 -2 + 2
-6 + 2
-4
-4/ 4 = -1

His average is -1