Write a ratio to express the number of people who preferred wanr to those who preferred wclm

These question are hard can you me with answers

How do i do this activity, is appreciated

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.