What is 1.64 in simplest form then put it into a mixed number

i think it's a)sparta

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.

i don't really understand the question

roman empire and mayas