Answers

2014-01-09T16:41:49+08:00
`120 -48 - 80 = -8 are the answer :)
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2014-01-09T18:59:27+08:00
 Profit: P120
 Dan contribution; P48
Ed contribution: P 80
 Proportion: 48:80 = 3:4
Unknown:
 Dan's profit: 3x
Ed's profit: 4x
Solution:
  3x+4x=120
  7x= 120
  x= 120/7
 x= 17.14
Substitution:
 3(17.14) = 51.42
 4(17.14) = 68.56

Dan's profit: P51.42
Ed's profit: P68.56
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