Malia is on a road trip. during the first five minutes of malia's trips he sees 18 cars and 6 trucks. assuming this ratio of cars to trucks remains constant over the duration of the trip . what is the value of the ratio of the numbers of cars to the number of truck? what equation would model the relationship between cars and trucks? at the end of the trip malia had counted 1,254 trucks. how many cars did she see?