lucie5
lucie5 lucie5
  • 28-04-2017
  • Mathematics
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Mrs Smith's class contains 20 students out of those students 30% of the students are girls

a) how many girls are there

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Equanimity
Equanimity Equanimity
  • 28-04-2017
x/20 = 30/100
cross multiply x by 100 and 20 by 30.
600/100x
x=6
There are 6 girls.
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