Comprehension Passage
Directions: Answer the questions based on the information given below.
The provided bar graph illustrates the distribution of Tech and Non-Tech Employees across five distinct cities.
What is the respective ratio between the total number of employees in city 'W' and the number of non-tech employees in cities 'X' and 'Z' together?
1
15 : 28
2
20 : 35
3
25 : 38
4
30 : 40
5
35 : 45