Mathematics, 09.12.2019 08:31, atefah88

If 2a+b=7 and b+2c=23, what is the average of a, b, and c?
a)5 b)7.5 c)15 d)12.25

Answers: 1

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If 2a+b=7 and b+2c=23, what is the average of a, b, and c?
a)5 b)7.5 c)15 d)12.25...