seby2005 seby2005
  • 22-03-2016
  • Mathematics
contestada

at the party 3/5 of girls had brown hair if 12 girls did not have brown hair, how many girls were at the party

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TimDemling TimDemling
  • 22-03-2016
30

12        2
----   = ----
 x          5

x = 30
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