On a cold winter’s night that was so deep, the poor shepherds lay huddled amongst their sheep. If there were 100 heads and 300 legs in the field, how many sheep did the shepherds have?
The First Noel
The first Noel the angles did say
Was to certain poor shepherds in fields as they lay
In fields where they lay keeping their sheep
On a cold winter’s night that was so deep.
Details and assumptions
A sheep has 4 legs, a shepherd has 2 legs.