Question 355285
let m=median male postal salary
let f=median female postal salary
let M=median male lawyer salary
let F=median female lawyer salary
==
given
Postal
m=f+126
f=0.86m
--
a) Find the median weekly earnings for female postal service mail carriers in the United
States in 2006 
f=0.86(f+126)
f=0.86f+108.36
f-0.86f=108.36
0.14f=108.36
{{{answer=highlight_red(f=774)}}},  m=126+f=900
===
lawyer
F=M-540
M=1.4F
--
b) Find the median weekly earnings for female lawyers in the United States in 2006. 

M=1.4(M-540)=1.4M-756
756=0.4M
1890=M,   answer={{{highlight_red(F=1890-540=1350)}}}
==