Answer:
37.5
Step-by-step explanation:
split in the middle, 5×5=25/2=12.5
12.5= triangle
5×5=25
25=square
12.5+25=37.5
 
        
             
        
        
        
Answer:
I believe it would be -3, 7?
Step-by-step explanation:
IF we move the entire triangle to the left, that's where the coordinates line up. 
Hope it helps?
 
        
             
        
        
        
Answer:
320 cups of soup
Step-by-step explanation:
2/5= x/800
2/5 =.04  
800*.04 =320       x=320
2/5 = 320/800
2/5 =0.4  is equivalent to 320/800=0.4