youngzech1154
youngzech1154 youngzech1154
  • 03-10-2016
  • Mathematics
contestada

will ran 12 miles yesterday. each day afterwards, will ran 3 miles a day. write an expression for the total miles after a certain amount of days.

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matthewle87
matthewle87 matthewle87
  • 03-10-2016
12 + 3d You put a variable as you do not know the amount of days he ran.
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