THEO793 THEO793

30-06-2018
Mathematics

contestada

If a is the average (arithmetic mean) of j and 9, z is the average of 2j and 15, and c is the average of 3j and 18, what is the average of a, b, and z in terms of j?

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victoriyebuteme victoriyebuteme

02-07-2018

because j equal q of r and w equal x of w

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