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primary 6 | Maths
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Date Posted: 7 years ago
Views: 825
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Lets call Hadi D.
Person A, B, C and D.
The average of A,B and C is 39
While the average of all of them is 39.4
Now you have 2 equations. You can find Hadi's weight
Person A, B, C and D.
The average of A,B and C is 39
While the average of all of them is 39.4
Now you have 2 equations. You can find Hadi's weight
Date Posted:
7 years ago
Understood :)
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