Respuesta :
The answer is (on his next test he must score a 100)
The formula for average is to add all the numbers up then divide it by the amount of numbers so to solve it would be (86+80+85+75+84+100)=(510/6)=85
The formula for average is to add all the numbers up then divide it by the amount of numbers so to solve it would be (86+80+85+75+84+100)=(510/6)=85
(86+80+85+75+84+100)=(510/6),thus the answer will be 100,he will score 100 on his next test