In a class of students, the ratio of girls to boys is 2:3. If 3 more girls joined the class, the ratio would be 3:4. How many students are in the class?	Choose the correct choice from the following:
A) 50
B) 55
C) 60
D) 65
E) 70
Let x be the number of students in the class.   (2/5)*x=(3/7)(x+3)-3   14x=15x+45-105   x=60   The answer is 60.
<result>C</result>
In a class of students, the ratio of girls to boys is 2:3. If 3 more girls joined the class, the ratio would be 3:4. How many students are in the class?