anonymous
  • anonymous
The ratio of boys to girls in a classroom is 2 to 7. If there are 63 students in the room, how many are girls ?
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
let the number of boys be 2x let the number of girls be 7x 2x+7x=63 9x=63 x=63/9 x=7 girls=7x=7*7=49 No of girls are 49 hope this helped :)
Jack1
  • Jack1
props @candiee , perfect explanation hey
anonymous
  • anonymous
tnksss @Jack1

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anonymous
  • anonymous
Thank you so much @ candiee
anonymous
  • anonymous

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