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Mathematics, 18.01.2021 08:30 MaliaHale
The mean of the heights of three buildings A, B and C is 14.2m. The mean of the heights of five buildings A, B,C, D and E is 14.8m. Find the mean of the heights of the buildings D and E.
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The mean of the heights of three buildings A, B and C is 14.2m. The mean of the heights of five buil...
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