Employees: 34
170÷4x +1x
170=5x
34=x
1x=34 Employees 4x= 136 Listeners
Answer:

Step-by-step explanation:
Given


Required
How fast is the ball seem to be moving?
This question illustrates relative velocity;
Since the ball and the train moves in the same direction, the required velocity relative to the person standing behind is:

i.e. we add both velocities

