07-11-2020
Mathematics

contestada

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 .

Respuesta :

07-11-2020

B = 3g + 9
G + b =60
G + 3g + g
5g = 60
G = 12

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