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14-03-2018
Mathematics

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Bill is in a class of 15 boys and 35 girls.40% of the students in the class take the bus to the school.How many students do not take the bus to school?

Respuesta :

18-03-2018

Total students = those who take the bus + those who don't
[tex]15+35 = 40\%*(15+35) + x \\ 50=0.4\cdot 50+x \\ 50-0.4\cdot50=x=50-20 \\ x=30[/tex]

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