the mean of 3 numbers X Y and Z is X what is the mean of Y and Z
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1
Answer:
the answer is x
Step-by-step explanation:
(x + y + z )/3 =x
x +y +z = 3x
y + z = 2x
( y +z)/2 = 2x/2
( y+ z ) /2 = x
Answered by
0
Answer:x
Step-by-step explanation:X+y+z/3=X
X+y+z=3x
Subtracting X from both the sides
Y+z=2x. EQ 1
Mean of yand z =y+z/2
From EQ 1 y+z/ 2=X so mean of y andz is x
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