C=x-b solve for x do this i really need

Normal yağmur ile asit yağmuru arasındaki fark nedir

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Divide. write in the simplest form. 4 1/6 divided by 10