Suppose you invest in an account that pays 5% interest, compounded monthly. You would take your investment to grow to 10,000 in 14 years. How much would you have to invest as a lump sum order for this to happen

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