
The system has one solution so it's 
A. consistent and independent.
 
        
             
        
        
        
Count the total number of students who prefer fiction novels: In 9th grade there are 35, in 10th grade there are 52, so there are 87 students who prefer fictions. The proportion of 10th grade students out of these 87 students is 52/87=0.60 approximately.
        
                    
             
        
        
        
Answer:
230
Step-by-step explanation:
 
        
             
        
        
        
Answer:
C 
Step-by-step explanation:
Because you should be subtract each other by 20x to transfer from side to another side.
 
        
                    
             
        
        
        
Answer:
1.  total volume of box=2.5(V)D
2. 7 Drawers
Step-by-step explanation:
2.5 = V
so 1 draw = 2.5 cubic inches of volume
so V(2.5) × D(number of drawers) = total volume of drawers in the box