GCSE maths higher question here!!
please help! asap!

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

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4