Question
x, y, 3y
If the average (arithmetic mean) of the 3 numbers above is 3x and x≠0, What is y in terms of x?
If the average (arithmetic mean) of the 3 numbers above is 3x and x≠0, What is y in terms of x?
Answers
Henry
(x+y+3y)/2 = 3x
6x = x+4y
4y = 5x
Y = 5x/4
6x = x+4y
4y = 5x
Y = 5x/4