Answer:
Step-by-step explanation:
A chicken has 2 legs, a pig has four. 13 pigs x 4 legs each = 52
4 chickens x 2 legs each = 8
52+8= 60 legs in total
So there are 13 pigs and 4 chickens
1:6 One hour of work is worth $6
$18/3= $6