X will be the speed of species b and 4x will be the speed of species a:
x + 4x = 180
5x = 180
x = 180 / 5
x = 36 m/h
If species b has a speed of 36 m/h, the speed of species a is 4 times that:
4 x 36 = 144 m/h.
Answer:

Hope it helped,
Happy homework/ study/ exam!
 
        
        
        
(3x+7)(x-1)=0
3x+7=0
x= -7/3
x-1=0
x=1
        
             
        
        
        
$8.75 is the answer.
You divide 26.25 by 3.
        
             
        
        
        
Answer: 2 Dogs
Step-by-step explanation: The other dog never left the park
 
        
                    
             
        
        
        
Answer:
69
Step-by-step explanation: