Lets say travi's rope is T feet long
and Stacy's rope is 23 feet long
3T-4=23
3T=23+4
3T=27
T=9 feet long
so Travis rope is 9 feet long
        
             
        
        
        
Take $1.29 times 3(number of nights) and add $.50 = $4.37
        
                    
             
        
        
        
Answer:
14
Step-by-step explanation:
11  - n = -3
-n = -3 - 11 = -14
n = 14
OR 
add n to both sides of equation and add 3 to both sides of equation:
11 - n + n + 3 = -3 + n + 3 ----> n = 14
 
        
             
        
        
        
Answer:
Step-by-step explanation:
x + x + 2x = 80
4x =80
X = 20
Nick = 20
Paul = 20
Krutika = 40