In a class of 30 students, the ratio of males to females is 3 to 2. what is the number of females in the class?

Question

In a class of 30 students, the ratio of males to females is  3 to 2. what is the number of females in the class?

aroub · Answer

30=total students  , 3:2 males to females 

3x+2x=30
5x=30
x=6 

3(6)=18 males 

2(6)=12 females 

18+12=30

anonymous · Answer

Thanks a lot..

aroub · Answer

anytime! :)

anonymous · Answer

please help me with below problem also

The base of isosceles triangle has coordinate (5,2) and (1,2). what coordinate could be the third vertex of the triangle? please explain with steps

aroub · Answer

soorryyy.. but im sure there is like an equation or something to find the base of a triangle right?

anonymous · Answer

i do thing so..