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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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