What is the average (arithmetic mean) of 3m and 12n?
(1) m + 4n = 20
(2) m + n = 11
The OA is A.
How can I use statement (1) to find the average? Experts I need your help.
(1) m + 4n = 20
(2) m + n = 11
The OA is A.
How can I use statement (1) to find the average? Experts I need your help.
