7. 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 poOint B. he iver 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. 5 km •B (finish) 1 km • A (start)

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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7. 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
iver 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.
toeer 5 km
•B (finish)
1 km
• A
(start)
leele
Transcribed Image Text:7. 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 iver 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. toeer 5 km •B (finish) 1 km • A (start) leele
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