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Answer ________________6). I have 3 numbers that add up to 1. Two of the numbers are .6 and .15. What is the third number?
Answer ________________7). I have 18 books. Each book is 1.5 inches thick. If I stack my books up, how high is the stack of books?
Answer ________________8). If I buy 28 pencils at $.07 each, how much do they all cost together?