First find the common denominator.  In this case, you would want to use 32.  So, 1/4 = 8/32.  So, an ant is 8/32 of an inch and an aphid is 3/32 of an inch.  Now to find the difference, you subract.  8/32 - 3/32 = 5/32.  So the answer is, the ant is 5/32 of an inch longer.
        
             
        
        
        
Overall, they spent 3 3/4 hours fishing and swimming.
        
             
        
        
        
Answer:
D 
Step-by-step explanation:
R(x) = -x^2+122x+400
 
        
             
        
        
        
You line them up from smallest to greatest
        
             
        
        
        
I would say all you have to do is add those sides up then minus it with the total you’re trying to find