8. How many minutes in 3.5 years? 9. How many decades are there in 9 centuries? There are 10 years in a decade. 10. In the fictitious country of Ayarceeville, 1.00 chemzels equals 0.50 U.S. dollars. What is the cost of 6 onions in Ayarceeville if 3 onions weigh 1.5 lb and the price of one pound of onions is 35 cents in the US? 11. What is the cost to drive from Sacramento to San Francisco (90. miles) if the cost of gasoline is $3.98/gal and the automobile gets 18 mi/gal of gasoline? 12. How many cars are there in a long freight train if it takes the entire train 2.00 min to pass a station as it travels 40.0 miles per hour? Each car is 50.0 feet long. There are 5280 feet in a mile. 13. How many oranges are in a crate if the price of a crate is $1.60 and the price of oranges is $0.20/lb? On the average there are three oranges per pound. 14. The price of a ream of paper is $4.00. There are 500 sheets of paper in a ream. If a sheet of paper weighs 0.500 oz, what is the price per pound of paper? There are 16 oz in a pound.