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masha68 [24]
2 years ago
14

in a gym class the ratio of girls to total students is 4:7 there are 9 boys in the gym class how many students are in the gym cl

ass
Mathematics
1 answer:
nikklg [1K]2 years ago
3 0
4:7 = x/9+x.  36 + 4x = 7x.  36=3x.  x=12.  x=girls in class.  x+9=all students in class.  
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Marta_Voda [28]
There are 6 letters, each different
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Now words starting by M will come. 
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Now words with MO<span>
</span><span>First words starting with MOE... =3!
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the words starting with MOR... =3!

Now, words starting from MOT will come
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so, total no. of words before MOTHER = 5! + 5! + 2* 4! + 3 * 3! 
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3 years ago
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3 years ago
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dimaraw [331]

Answer:

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