Mathematics, 13.05.2021 05:40 airiyannag0113

David measured the heights of 10 classmates. He found the mean of their heights to be 54.8 inches. He then added in his own height and found the mean again. With David’s height, the mean was 55 inches. What is David’s height?

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David measured the heights of 10 classmates. He found the mean of their heights to be 54.8 inches. H...

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