Answer:
B. 15
Step-by-step explanation:
6 x 5 = 30
1/2 or 30 is 15
 
        
             
        
        
        
Answer:
D. 40%
Step-by-step explanation:
15/6=40% AKA 4/10
 
        
                    
             
        
        
        
4,550 is the answer when you multiply the two numbers together.
        
             
        
        
        
8 x 6 = 42 add two zeros so 4200
 
        
             
        
        
        
You can find the simplest form of 120/180 by rounding down the numbers. you can take the zeros away and your left with 12/18. you can make it even smaller by using the 6 time tables. 12 and 18 are both in the 6 time tables. 2×6=12 and 3×6=18. The answer is 2/3.
Hope I helped :D