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24/06/2018 at 04:00

Ten percent of the male students at James HS are over six feet tall. The number of female students who are taller than six feet is equal to 10% of the number of male students over six feet tall. At James HS there are 250 female students and 20% more male students than female students. How many female students are taller than six feet?

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Nguyễn Mạnh Hùng 25/06/2018 at 02:02

The number of male students is:

250 x 20% + 250 = 300 (students)

=> The number of male students tall over 6 feet is:

300 x 10% = 30 ( students)

=> The number of female tall over 6 feet is

30 x 10% = 3 ( students)
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