Answer:
Greater or equal to 20 >/_
Step-by-step explanation:
 
        
             
        
        
        
You would use the bottom right box :)
        
                    
             
        
        
        
Answer: three pieces.
The piece of wood is 6/8 inches long - this fraction can be simplified to 3/4 by dividing both the numerator and denominator by 2.
Thus, he cuts a piece of wood that is 3/4 inches long into 1/4 inch pieces. 
1 goes into 3 three times, so the piece of wood can be cut into three 1/4-inch pieces.
        
                    
             
        
        
        
Answer:
its C
Step-by-step explanation:
 
        
             
        
        
        
X= my age
500-3x=230
500-3x-230=230-230
270-3x=0
270-3x+3x=0+3x
270=3x
270/3=3x/3
x=90
you are 90 years old