2n-7+12n-9
combined like terms 2n+12n and -7-9
your answer is 14n-16
 
        
             
        
        
        
Answer:
The number of each kind of apartment in the building is 130  . 
Step-by-step explanation:
Given as :
The total number of floor in a building = 15
The number of apartment on each floor = 26
So, The total number of apartment = 26 × 15 = 390
The number of kinds of apartment in the building is 3 ,  i.e 1-bedroom ,               2-bedroom , 3-bedroom 
Let The number of each kind of apartment in building = x
So, According to question 
The number of each kind of building = 
or, x = 
∴   x = 130
Hence The number of each kind of apartment in the building is 130  . Answer
 
        
             
        
        
        
Would it be <span>SOLVE FOR TIME TRAVELED WITH IN 60 MILES @ 12MILES/HR 
DISTANCE=VELOCITY X TIME 
T=S/V
T=60/12
T=5HRS
TOTAL TIME OF JOURNEY =5+3=8HRS.....ANSWER</span>
        
             
        
        
        
Answer:
the awnser should be. 165
 
        
                    
             
        
        
        
46 burgers is the minimum amount, because there are 23 people who will each eat two burgers.