The perimeter of a triangle is 47cm. If the longest side of the triangle is 4cm less than three times the shortest side and the third side is 6 cm more than the shortest side how long is the third side of the triangle?

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’s the answer ? use the picture to see the problem

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0