The width of a man’s hand was used as a common unit of length several hundred years ago. What are the advantages and disadvantages of using such a unit? Explain. 1. A pirate map indicates that a...

The width of a man’s hand was used as a common unit of length several hundred years ago. What are the advantages and disadvantages of using such a unit? Explain.

1. A pirate map indicates that a treasure is buried 50 paces due east and 120 paces due north of a big rock. Will you know where to dig? Explain.