On monday, taylor lost $20 to
lindsay when playing a card game. he was angry that he had lost, so he kept playing. on tuesday, taylor lost another $5. on wednesday, he neither
lost nor won. on thursday, taylor lost another $7. by then, taylor had lost all his savings. how much money did taylor have before he started playing?

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