The jade restaurant has a large aquarium on display in its lobby. the base of the aquarium is 5 feet by 2 feet. the height of the aquarium is 4 feet . how manny cubic feet of water are needed to completely fill the aquarium?

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