Jim has two cardboard boxes . Each box has a width of 5 feet and a height of 3 feet . If one box has a length of 2 feet and the other has a length of 4 feet , what is the total volume of both boxes ?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling