solve and show complete solution 2. A cable is to be run from a power plant on one side of a river 900 meters wide to a factory on the other side, 3000 meters downstream. the cost of running the cable...

solve and show complete solution

2. A cable is to be run from a power plant on one side of a river 900 meters wide to a factory on the other side, 3000 meters downstream. the cost of running the cable under the water is php500.00/meter, while the cost over land is php400.00/meter. what is the most economical route over which to run the cable?