Question

Complete this statement: 225 students is to 9 classes as 125 students is to __________ classes.

Select one of the options below as your answer:
A. 4
B. 5
C. 6
D. 7

Answer 1

9 classes = 225
1 class = 25
125 ÷ 25 = 5

the answer is B

Answer 2

The answer is B: 5

Explanation:

This is a three rule and translated to a diagram is:

225-----9

125-----x, where x = 125*9/225 =

For a general case

a-------b

c-------d=c*b/a