Four people on one side of a river need to cross the river in a boat that can carry a maximum of 180 pounds.The weights of the people are 80, 100, 150, and 170 pounds. (a)Explain how the people can use the boat to get everyone to the opposite side of the river. (b)What is the minimum number of crossings that must be made by the boat?
Four people on one side of a river need to cross the river in a boat that can carry a maximum of 180 pounds.The weights of the people are 80, 100, 150, and 170 pounds. (a)Explain how the people can use the boat to get everyone to the opposite side of the river. (b)What is the minimum number of crossings that must be made by the boat?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Four people on one side of a river need to cross the river in a boat that can carry a maximum of 180 pounds.The weights of the people are 80, 100, 150, and 170 pounds.
(a)Explain how the people can use the boat to get everyone to the opposite side of the river.
(b)What is the minimum number of crossings that must be made by the boat?
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