TTGWD9-28

amyding85

Q28:

In a certain English class, of the number of girls is equal to  of the total number of students.  What is the ratio of the number of boys to the number of girls in the class?

 

A.      1 to 4

B.       1 to 3

C.      1 to 2

D.      2 to 3

E.       2 to 1

Answer: C

想问一下the ratio of the number of boys to the number of girls in the class?使不是男生比女生？怎么算都是E阿

biyanyt

Q28:

In a certain English class, 1/4 of the number of girls is equal to 1/6 of the total number of students.  What is the ratio of the number of boys to the number of girls in the class?

g/4=(g+b)/6

1/2=(1+b/g)/3

b/g=1/2