In a swim/run race, competitors start at point A, and must swim across a river (to any point on the opposite shore), then run along the shore to the finish at point B. The river is 1 km across, and the finish is 5km downstream from the start. If Olivia can swim 4 km/h and run 10 km/h, determine the route she should take to finish the race as quickly as possible.
In a swim/run race, competitors start at point A, and must swim across a river (to any point on the opposite shore), then run along the shore to the finish at point B. The river is 1 km across, and the finish is 5km downstream from the start. If Olivia can swim 4 km/h and run 10 km/h, determine the route she should take to finish the race as quickly as possible.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter3: Triangles
Section3.5: Inequalities In A Triangles
Problem 39E
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In a swim/run race, competitors start at point A, and must swim across a river (to any
point on the opposite shore), then run along the shore to the finish at point B. The
river is 1 km across, and the finish is 5km downstream from the start. If Olivia can
swim 4 km/h and run 10 km/h, determine the route she should take to finish the race
as quickly as possible.
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