Last month I wrote down the following facts while on my delivery job. I work 5 days a week for 8 hours a day. Last month I worked 20 days. My truck gets 21 miles per gallon. I drive at an average speed of 45 miles per hour. I listen to 104.5 on the radio. I drive about 350 miles per day, Gas costs 3.499 per gallon. How much did I spend on gas last month