Divide it by 4/4. You should get 7/8. 7/8 is the same as 28/32. 28/4=7, 32/4=8. Therefore, you can divide it by 4/4.
 
        
             
        
        
        
Answer:
B.
(3x + 4)(x − 7)
Step-by-step explanation:
If you multiply.
3x2-21x+4x-28
3X2-17x-28
 
        
             
        
        
        
Answer:$50
Step-by-step explanation:
So we have the sweater that’s $30 with a sale of 60% of the original price.
That means $30=60% of the original
So
30=60%start with this 
5=10% divide 6 by both sides to get 10%
50=100% times by 10 to get 100%, which is the original price. 
So the original price of this sweater is $50 
:D
 
        
                    
             
        
        
        
Answer: 225km
Step-by-step explanation:
3cm --- 150
1cm ---- 50
Therefore 4.5cm * 50 = 225km