<PRE><B>Question 900181</B>
Juan, Phil, Miguel, and Kim compare their earnings for one month. Phil earned 400 less than twice as much as Juan. Miguel earned one-half as much as Phil. Kim earned three times as much as Juan. Their combined total earnings are $340 less than twice what Kim earned. How much did each person earn and what was the total combined earnings? 
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let x=amt Juan earned
2x-400=amt Phil earned
(2x-400)/2=x-200=amt Miguel earned
3x=amt Kim earned
..
x+2x-400+x-200+3x=2*3x-340
7x-600=6x-340
7x-6x=260
x=260
2x-400=120
x-200=60
3x=780
6x-340=1220

amt Juan earned=$260
amt Phil earned=$120
amt Miguel earned=$60
amt Kim earned=$780
total combined earnings=$1220</PRE>