Step-by-step explanation:
-2.666666666 ♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡♡
 
        
             
        
        
        
A.)Rachel should have 6 second class tramps. Because if you do the equation 6+6+6 you get 18 (the number of first class stamps she has) 
2.)Add 6 to 18 to get your answer :)
        
             
        
        
        
Answer:
1256.64 cubic meters
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
+8
Step-by-step explanation:
this is because when a negative multiplies with another negative it becomes positive
 
        
             
        
        
        
2 m  -  polyester fabric: 4, cotton fabric: 14
6 m  -  polyester fabric: 12, cotton fabric: 42
8 m  -  polyester fabric: 16, cotton fabric: 56
9 m  -  polyester fabric: 18, cotton fabric: 63
check:
2 m: 4/14=2/7
6 m: 12/42=2/7
8 m: 16/56=2/7
9 m: 18/63 = 2/7