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Unformatted text preview: must be 6 dogs and 4 cats. This can also be done with x and y. #8: A solution can start with either a cannibal and a missionary or two cannibals going across. Just follow through the student's attempt and if it starts correctly and looks like it works, then OK. #10: We did this one in class, so the student should give the correct answer of 300 miles, with a short explanation that the fly flew for 3 hours at 100 MPH and so flew 300 miles....
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 Spring '08
 Irwin

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