The total amount of water that flowed out of a tank was 18 1/2 gallons over 4 1/4 hours

Question 5 spring semester final exam math evaluate

Find the value of x that will make l ll m

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