Mathematics, 22.06.2019 21:30 swagjlove32

The average height of 4 children is (15h-3). two more children join the group with heights of (10h+46) centimeters and (14h-16) centimeters. find the average height of the 6 children if h=9

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The average height of 4 children is (15h-3). two more children join the group with heights of (10h+4...