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21-03-2017
Mathematics

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There are 1,400 students in a school. A random sample of 50 students contains 7 students with birthdays in March. About how many students in the school have birthdays in March?

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Deeedee3 Deeedee3

21-03-2017

Does it say 7% students or just 7 students?

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Аноним Аноним

21-03-2017

50 students contains 7 students with birthdays in March
1,400 students ..........? students with birthdays in March

1,400 x 7 / 50 = 196

answer: 196 students in the school have birthdays in March

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