If x hens lay x + 1 eggs in x + 2 days, how many days will it take x + 3 hens to lay x + 5 eggs?
a. 


b. 


c. 


d. 


e.  none of these 
hens  eggs  days  
given:  x  x + 1  x + 2  
then 1 hen:  1 

x + 2  
1 hen to lay x + 5 eggs (takes longer):  1 



x + 3 hens (goes faster):  x + 3 


The answer is (a).