Full of mistakes,
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This review is from: Mathematics for Economics and Business (Paperback)
The answers for the practice questions in this book do not match up to the questions asked. When back tracking I have worked out that minus signs have been randomly added or dropped very often. This makes it very unhelpful when revising as when checking an answer you have to consider the strong possibility that the answer in the book is wrong. This is unacceptable for a book of this price and would recommend buying another option.