Ineed to solve for the variables. 8th grade math.

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

Plz heeeeeeelp plz give me the answer

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