SOLUTION: if the average of x,y,z and 60 is 75, then the average of (x-17) , (y+30) and (z-13) is
1) 80
2) 75
3) 70
4) 65
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Question 836382: if the average of x,y,z and 60 is 75, then the average of (x-17) , (y+30) and (z-13) is
1) 80
2) 75
3) 70
4) 65
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Q:
If the average of x,y,z and 60 is 75, then the average of (x-17) , (y+30) and (z-13) is
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A:
--> x + y + z = 240
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