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Mathematics 9 Online
OpenStudy (anonymous):

There are 3 times as many girls in the class than boys. There is a total of 24 students in the class. How many girls are in the class? What do you know?

OpenStudy (anonymous):

Let boys be x and girls be y. \[x+y = 24\]we know that there is 3 times as many girls. How can we change the equation?

OpenStudy (jack1):

y=3x

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