Use Polya's four-step problem-solving strategy to solve each of the following problems. Number of River Crossings Four people on one side of a river need to cross the river in a boat that can carry a maximum load 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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Please use the polya's 4 steps in solving 

Use Polya's four-step problem-solving strategy to solve each of the following problems.
Number of River Crossings
Four people on one side of a river need to cross the river in a boat that can carry a
maximum load 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?
Transcribed Image Text:Use Polya's four-step problem-solving strategy to solve each of the following problems. Number of River Crossings Four people on one side of a river need to cross the river in a boat that can carry a maximum load 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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