Answer:
$19.36
Step-by-step explanation:
154.48/8
19.36
 
        
             
        
        
        
The second one is the correct answer.
        
             
        
        
        
Answer:
8 hours
Steps:
Train 1: 
Hours: 1, 2, 3, 4, 5, 6, 7, 8
Miles: 75, 150, 225, 300, 375, 450, 525, 600
Train 2:
Hours: 1, 2, 3, 4, 5, 6, 7, 8
Miles: 0, 0, 100, 200, 300, 400, 500, 600
        
             
        
        
        
Answer:
63 m
Step-by-step explanation:
Perimeter is 276, 2L + 2W = 276, so L + W = 138
L = 75
138 - 75 = W
63 m