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?

The students at jefferson middle school are raising money for a charity by selling t-shirts and hats. the number of t-shirts sold was 3 times the number of hats. the profit was $5 for each t-shirt sold and $2.50 for each hat sold. the students raised $840 for the charity. they used the system below to analyze their success and found the solution to be (144, 48). 5x+2.50y=840 x=3y how much did they earn from t-shirt sales?