An underground telephone cable is to be laid between two boat docks on opposite banks of a straight river. One boathouse is 340 meters downstream from the other. The river is 320 meters wide. If the cost of laying the cable is $60 per meter under water and $50 per meter on land, what is the lowest possible cost of laying the cable between the boathouses? Round your answer to the nearest dollar. minimal cost of cable: $

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.8: Proof In Algebra
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An underground telephone cable is to be laid between two boat docks on opposite banks of a straight river. One boathouse is 340 meters downstream from the other. The river is 320 meters wide. If the cost of laying the cable is $60 per meter under water and $50 per meter on land, what is the lowest possible cost of laying the cable between the boathouses? Round your answer to the nearest dollar.

minimal cost of cable: $

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