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in a school, the number of boys is 9 more than thrice a number of girls. if the total role of class is 60. what is the total role of girls ​.​
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in a school, the number of boys is 9 more than thrice a number of girls. if the total role of class is 60. what is the total role of girls ​.​

User Dustin Brooks
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1 Answer

5 votes
B = 3g + 9
G + b =60
G + 3g + g
5g = 60
G = 12
User Asawilliams
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7.2k points
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