9. II Fill'er up! You fill up your gas tank in Europe when the euro is worth $1.25 and gasoline costs 1.35 euros per liter. What is the cost of gasoline in dollars per gallon? How does your answer compare with the cost of gasoline in the United States? (Use conversion fac- tors in Appendix D.)10Imulas.) 1. I Compute the number of seconds in (a) an hour, (b) a 24-hour day, and (c) a 365 day year