nins nins
  • 14-02-2015
  • Mathematics
contestada

mary sold half of her comic books and then bought 7 more. she now has 11. write an equation and solve to determine how many she began with?

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VASH VASH
  • 14-02-2015
Subtract 7 that would be 4 then u double the 4 and u would get 8
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