20-01-2016
Mathematics

contestada

The ratio of boys to girls is 3:4. If there are 42 total students how many are girls?

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apologiabiology apologiabiology

20-01-2016

so 3:4
3 units of boys
4 units of girls
42 total
42=girls+boys=4 units+3 units=7 units
42=7 units
diivde by 7
6=1 unit
how many girls
4 units of girls
6 times 1 unit=6 itmes 4=24
24 girls

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AyItsAaron AyItsAaron

20-01-2016

24 girls in total. hope this helps ;)

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if u know anything about this girl can you let me know pls