Eurasia covers around 55,000,000 square kilometres (21,000,000 sq mi), or around 36.2% of the Earth's total land area. The landmass contains around 5.0 billion people, equating to approximately 70% of the human population. Humans first settled in Eurasia between 60,000 and 125,000 years ago.
The Imperial system recognizes a yard as a linear measurement unit for measuring length or distance. Yard is commonly used in modern US system of measurement. A yard is equal to 36 inches or 3 feet. Both units of yard and inch have been used since the 13th century.
From the conversion charts above we know that one mile contains 1,760 yards, one yard contains 3 feet, and one foot contains 12 inches. We will use the following three unit ratios to change to the new unit of measure. and and. Now, we'll multiply the original measure in fraction form with all three unit ratios.