Be Careful

Be careful when doing the homework and make sure not to blindly follow the back of the book answers. I have already found a discrepancy between the two that I can only call a typo either in the solution or in the question. (I'd point it out exactly which question I'm talking about but I'm not sure if I can do that, I'm sure you'll find it on your own.)

Feel free to point it out. The most important thing for everybody is to work on the homework and to understand it. It is possible to find answers to all the questions on the web, but doing that would take away the benefit of actually doing the homework. The students who do the homework seriously get the best grades. - Steve Bell

By the way, you can sign your name at the end of a contribution by typing three tildes in a row.

What I found was Section 7.2 Problem 29. In the question the book states the profit per sofa is $35, profit per chair is $62, and profit per table is $30. The back of the book states the profit per sofa is $85. This changes the total profit answer and the profit vector. So depending on what is used for gradeing, one of these two will be right. Hzillmer ^ Thank you for the tip Professor Bell

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Basic linear algebra uncovers and clarifies very important geometry and algebra.

Dr. Paul Garrett