A6: You are going on a road trip with friends in a car that can travel 47 kilometers per gallon. (a) How many gallons of gas will it take you to travel 1230 miles from GR to Orlando? (b) If gas costs an average of $2.93 per gallon during your trip, what is the total cost of gas for the cross-country trip over and back? A7: American physical chemist Gilbert Newton Lewis proposed a unit of time called the "jiffy." According to Lewis, 1 jiffy = the time it takes light to travel 1 centimeter (The speed of light is c = 3.00 x 108 m/s). (a) If you perform a task in a jiffy, how long is that in seconds? (b) How many jiffys are in 3 minutes? A8: You are in Germany on vacation. The exchange rate is 1 Euro = 1.14 U.S. dollars. You find a cab that will take you 1 kilometer for 0.59 Euros. Find the distance in miles that you could travel with this cab for twenty dollars. A9: If a ship can travel 4300 feet on 1 ton of coal, find the tons of coal needed for the ship to travel 1700 kilometers. A10: Water is coming out of a hose at a rate such that it fills up a five gallon container in 35 seconds. Find the time it would take this hose to fill up a swimming pool which has a volume of 46 cubic meters. Would it take more than one day to fill the pool? All: For the 4 paths/trips shown in the diagram, identify the