Mathematics, 06.05.2021 20:40 kae97
if the mean of a and b is 20,the mean of b and c is 24 the mean of a, b and c is 18.what is the mean a and c
Answers: 2
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if the mean of a and b is 20,the mean of b and c is 24 the mean of a, b and c is 18.what is the mean...
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