Respuesta :
-2, -2, -2, +2
-2 + -2 + -2 + 2
-2 -2 -2 + 2
-6 + 2
-4
-4/ 4 = -1
His average is -1
-2 + -2 + -2 + 2
-2 -2 -2 + 2
-6 + 2
-4
-4/ 4 = -1
His average is -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
the fourth is 2
add together is -4
divide by 4(number of days)
-1
his average score is -1