Suppose that Andrea told you that "Blake and I started out with the same number of marbles, but I gave him one of mine. Now Blake has one more marble than me." Why is Andrea's reasoning incorrect? How can you address her misunderstanding? Choose the answer below that best explains the misunderstanding.
Suppose that Andrea told you that "Blake and I started out with the same number of marbles, but I gave him one of mine. Now Blake has one more marble than me." Why is Andrea's reasoning incorrect? How can you address her misunderstanding? Choose the answer below that best explains the misunderstanding.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Suppose that Andrea told you that "Blake and I started out with the same number of marbles, but I gave him one of mine. Now Blake has one more marble than me." Why is Andrea's reasoning incorrect? How can you address her misunderstanding?
Choose the answer below that best explains the misunderstanding.
Andrea meant to say that she took one of her marbles away and not give it to Blake. Therefore, Blake would only have one more than her.
Blake needs to take one of his marbles away first. Then, Andrea can give him one of hers. Thus, Blake will have one more than Andrea.
Andrea meant to say that after giving Blake one of her marbles, she would have one less than Blake.
Andrea has one less than she started with. Blake has one more than he started with. Therefore, Blake has two more than Andrea.
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