The ratio of the number of boys to the number of girls in the class is 3 : 4. If there are 42 students in the class, find the number of girls.

The ratio of the number of boys to the number of girls in the class is

1.	The ratio of the number of boys to the number of girls in the class is 3 : 4. If there are 42 students in the class, find the number of girls.
A.	20
B.	24
C.	21
D.	25
Answer» C. 21

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The ratio of the number of boys to the number of girls in the class is 3 : 4. If there are 42 students in the class, find the number of girls.

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