An ore ship is traveling west toward duluth on lake superior at 18 miles per hour. the bearing of split rock lighthouse is 285deg. after 1 hour the bearing of the lighthouse is 340deg. find the distance between the ship and the lighthouse when the second bearing is determined.

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?