<PRE><B>Question 534871</B>
f+a=6700
a=6700-f
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40f+25a=185500
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40f+25(6700-f)=185500
40f-25f+167500=185500
15f=18000
f=18000/15
f=1200 floor
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a=6700-1200
a=5500 all others
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40*1200+25*5500=
48000+137500=185500</PRE>