SOLUTION: if the average of three numbers is V. if one of the numbers is Z and another is Y, what is the remaining number? A. ZY-V B. Z/V-3-Y C. Z/3-Z-Y D. 3V-Z-Y E. V-Z-Y

SOLUTION: if the average of three numbers is V. if one of the numbers is Z and another is Y, what is the remaining number? A. ZY-V B. Z/V-3-Y C. Z/3-Z-Y D. 3V-Z-Y E. V-Z-Y

Algebra.Com

Question 146928: if the average of three numbers is V. if one of the numbers is Z and another is Y, what is the remaining number?
A. ZY-V
B. Z/V-3-Y
C. Z/3-Z-Y
D. 3V-Z-Y
E. V-Z-Y
Answer by Monarch(4) (Show Source): You can put this solution on YOUR website!
Lets suppose X is the 3rd number.
so average V = (X+Y+Z)/3
3V = X + Y + Z
X = 3V - Y - Z
So the answer is D. 3V - Z - Y
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