the ratio of boys to girls in a class 2:3 there are 30 students in the class. how many students are boys
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Answer:
Let boys be 2x and girls be 3x
Boys + Girls = 30
2x + 3x = 30
5x = 30
x = 6
Number of boys = 2 x 6 = 12
Number of girls = 3 x 6 = 18
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