Answer:
3/8 cups
Step-by-step explanation:
You want half of the recipe, so you want half of  
3
/4  of a cup.
Of means multiplication when it comes to fractions, so multiply  
3/
4  by  1/
2  to get   3
/4
⋅
1/
2
=
3/
8
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:

 
        
                    
             
        
        
        
 0, and Positive infinity is the answer
        
             
        
        
        
If you had one row, you would have 22 chairs.
If you had two rows, you would have 22+22=44 chairs.
If you had three rows, you would have 22+22+22 chairs, or 66 chairs.
See the pattern?
If you had 40 rows, you would add 22 40 times, or 22*40=880 chairs.
Hope this helps!