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Hello all! I had a quick homework question: I have to prove that the output of this always ends up as 1, regardless of the starting number: *Think of a number between 1 and 10. Add 1; double the result; add 3; subtract 4; add 5;
asked by y912f on June 21, 2014 
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Add one to a number, then double the sum, and you get 56. how do i solve it and write it as a equation (x+1)*2=56 1. divide both sides by 2 2. subtract 1 from both sides you get x=27 For all of these questions just remember that
asked by Steve on January 20, 2007 
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20. Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.
asked by Shay on August 7, 2009 
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Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works.
asked by Mary on October 31, 2009 
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When you subtract 2 from a number double the difference and then add 7 you get 57. What is the number
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When you subtract 2 from a number, double the difference, and then add 7, you get 57. What is the number?
asked by miah on February 22, 2011 
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when you subtract two from a number double the difference and then add 7 you get 57 what is the number
asked by Anonymous on February 2, 2014 
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How does this work “Think of a #. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number.
asked by sam on January 21, 2010 
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Think of a number. Add 17. Double the result.Subtract 4. Double the result. Add 20. Divide by 4. Subtract 20.What's your answer?
asked by Rebecca on September 10, 2009 
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Can someone help me find the pattern and the next 3 numbers in the pattern? 10,1,6,6,11 I would think the next numbers would be 2, 7, 7, 12 But why? The difference between 10 and 1 is 9. The difference between 1 and 6 is 5. So ,
asked by Kim on January 9, 2007