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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.

What is the result of the following division?

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?