anonymous
  • anonymous
i dont understand this 0.4r-1.2+0.3r=0.6
Mathematics
katieb
  • katieb
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anonymous
  • anonymous
Hmmmm well it depends on what math class you are in? Pre-alg?
anonymous
  • anonymous
no algebra 1 i think
anonymous
  • anonymous
Really? Hmmm ok... are you solving for R? because with that you just .4 + .3 = .7r .7r = 1.8 Then solve for r (:

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anonymous
  • anonymous
yes
anonymous
  • anonymous
r=((18)/(7)), ≈2.5714285714286}

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