73.75
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The average is 80.
80 is. ------------------------------------------- The mean average is calculated by adding up the numbers and dividing by how many there are: mean average = (80 + 60 + 70 + 110) ÷ 4 = 320 ÷ 4 = 80
The result of the equation - 70 plus 90 plus 60 plus 80, is found as follows; 70 + 90 + 60 + 80 = ( 70 + 90 ) + 60 + 80 = 160 + ( 60 + 80 ) = 160 + 140 = 300 Answer = 300
It means that the average score of all the students in a class is 70. Ex: Assuming 3 students got the below scores in their English exam for a total score of 100. Student 1 = 60 Student 2 = 70 Student 3 = 80 Total score of 3 students = 60 + 70 + 80 = 210 Average score of 3 students = 210 / 3 = 70
The halfway point between 70 and 80 is (70 + 80) ÷ 2 = 75