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Anonymous Anonymous
  • 25-01-2017
  • Mathematics
Answered

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 class

Verified Answer :

onerepublicmusoujxfb onerepublicmusoujxfb
  • 13-08-2017

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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