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Write an algebraic expression for this puzzle sequencethink of a number add 10double itsubtract 10divide by 2take away the number first thought ofwhat answer do we always obtain? |
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Answer» Step-by-step explanation: CHOOSE a number from 1 to 70 and then divide it by 7. (I’ll be nice and let you use a calculator, but you’ll NEED one that has at LEAST seven decimal places.) If your total is a whole number (that is, no digits after the decimal POINT) divide the answer by 7 again. Is there a 1 somewhere after the decimal point? I predict that the number after the 1 is 4. Am I right? Now add up the FIRST six digits after the decimal point. Your answer is 27. |
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