Chrissy walked 550 meters in 7 minutes and 20 seconds. if each lap is 25 meters, which is chrissy’s most likely time per lap in seconds? *a) 20 seconds b. 22 seconds c 42 seconds d. 64 seconds martin drives to work at a speed of 45 miles per hour. it takes him about 2 hours and 15 minutes to get to work. if gas costs $2.75 per gallon and marin’s car gets 25 gallons of gas per mile, about how much does martin spend on gas to get to work? a. 3.87 b. 4.05 c. 10.64 d. 11.14