The average height of 4 children is 1.48 meters. When another child joins the 4children, their average height becomes 1.5 meters. What is the height of the fifth child.
I need an explanation :))) THANKS
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The average height of 4 children is 1.48 meters. When another child joins the 4children, their average height becomes 1.5 meters. What is the height of the fifth child.
I need an explanation :))) THANKS
Do you know the formula for average?
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