Question 1042438
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A, B, C, and D invest $s.  B invests m times as much as A, C as much as A and B combined, and D as much as C and B combined.  
Determine amount each invests. 
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Let A invested x dollars.
Then B invested mx dollars.
C invested x + mx dollars.
D invested mx + (c+mx).

Still not enough info to make an equation and to solve for x.


<U>Conclusion</U>.  Although a lot of data is given, the input is still not enough to solve the problem and answer your question.
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