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  carlhas$9morethandaviddoes.hilberthas1/3oftheamoutofcarl.iftheyhaveatotalamoutof$61,howmuchdoeseachofthemhave?

  carlhas$9morethandaviddoes.hilberthas1/3oftheamoutofcarl.iftheyhaveatotalamoutof$61,howmuchdoeseachofthemhave?

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2020-08-06 06:34
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欧阳晋

  Let$xbetheamountofCarlhas,$(x-9)betheamountofDavidhasand$(x/3)betheamountofHibert.

  x+(x-9)+(x/3)=61

  7x-27=183

  7x=210

  x=30

  Carlhas$30,Davidhas$21andHiberthas$10

2020-08-06 06:38:45

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