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Mathematics 8 Online
OpenStudy (anonymous):

there was a group of nine students. The ratio of the number of girls to the number of boys in the group was two to one. Which two equations can you use to solve for the number of girls and the number of boys in the group? g: number of girls in the group b: number of boys in the group g + b = 9 andg = 2b g + b = 9 and g= 3b g + b= 3 and b= 2g g + b = 2 andb= 9g

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