Answer:
<u>5</u> is the GCF
Step-by-step explanation:
The factors of 35 are: 1,5,7,35
The factors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
The factors of 25 are:  1, 5, 25
The highest or greatest factors that all of them have in common is 5.
 
        
             
        
        
        
Tre's walking speed is 1mi/hr.
Data given;
- distance = 1 mile
- time = 1 hour
<h3>Speed or Velocity</h3>
This is the rate at which an object covers a distance within a particular time frame.

substituting the values into the equation

Tre's walking speed is 1mi/hr
Learn more on speed, rate here;
brainly.com/question/11408596
brainly.com/question/2296493
 
        
             
        
        
        
Half a century is 50 years. a century is 100 years