sylvie03 sylvie03
  • 09-02-2017
  • Mathematics
contestada

in a group of 45 children there are twice as many boys to girls. how many girls are there

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mercedesrial
mercedesrial mercedesrial
  • 09-02-2017
15 because if you divide 45 from 3 (indicating there is more boys) youll get 15 i hope this is right and it helps

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Setor9
Setor9 Setor9
  • 09-02-2017
There were 15 girls.
Set a system of equation x=girl and y=boy
So x+y=45
2x=y
if you solve you'll get x=15 And y=30
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