Mathematics, 23.04.2020 02:09 cutielove2912

A collection of 8 geodes has a mean weight of 14 ounces. A different collection of 12 geodes has a mean weight of 9 ounces. What is the mean weight of the 20 geodes? The mean weight is ounces.

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A collection of 8 geodes has a mean weight of 14 ounces. A different collection of 12 geodes has a m...