05-05-2016
Mathematics

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Could someone good with Algebra help me with these questions? (In the picture) I need the answer asap

Could someone good with Algebra help me with these questions In the picture I need the answer asap class=

Respuesta :

meerkat18 meerkat18

06-05-2016

snapchat instagram total
Boys 40 50

Girls 30 50

Total 100

Boys : snapchat = 50 - 40 = 10
Girls : instagram = 50 - 30 = 20
Snapchat : 10 + 30 = 40
Instagram : 40 + 20 = 60

boys: 50/100 = 50%
boys that prefer snapchat: 10/50 = 10%
girls who prefer instagram: 20/50 = 20%

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