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16 October, 04:01

MathWizard likes to play a fun number trick on her friends. She tells them to think of a number. She then tells them to subtract their number from 2 and multiply the result by 5. To this product she tells them to add half the difference when 24 is subtracted from 12 times their original number.

(a) If I use the number 8 and follow MathWizard's steps, what number will I get?

(b) If you correctly apply MathWizard's steps to your favorite number, and then tell MathWizard your result, how can MathWizard quickly figure out what number you started with?

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Answers (1)
  1. 16 October, 07:01
    0
    A) is - 36

    b) MathWizard can add 6, divide by five, and then find the difference between that number and 2
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