The clean-up hitter on a baseball team batted in 13 of the runs the team scored. the hitter batted in 3 runs. select the equation that represents the number n of runs the team scored. then solve the equation.

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