Sunday
March 29, 2015

Homework Help: math

Posted by Jas on Wednesday, April 2, 2008 at 8:05pm.

The average, that is, the arithmetic mean, age of a group of
doctors and lawyers is 40. If the average age of the doctors is 35
and the average age of the lawyers is 50, then what is the ratio of
the number of doctors to the number of lawyers?

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