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John D
John D, BS Degree in Engineering.
Category: General
Satisfied Customers: 9666
Experience:  Math, science and 25 years experience in computer programming
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Resolved Question:

Submitted: 10 years ago.
Category: General
Expert:  John D replied 10 years ago.


Your question seems to have been cut off. Is this what the question should be:

Find the five digits in this equation:


Customer: replied 10 years ago.
While working in a small group during math class, Amos announced a discovery to the other group memberss. Amos told them that he discovered a special number he called ABCDE. He said," If I enter a one followed by that five digit number(ABCDE), 1ABCDE is displayed on my calculator. If I multiply that entry by three, my calculator displays ABCDE1. "What is the special number Amos discovered?
Expert:  John D replied 10 years ago.

Thanks for the information.

The five digit number is 42,857 (i,e, A=4, B=2, C=8, D=5, and E=7)

So when you put 1 in front of this number (i.e. 1ABCDE), it becomes 142857.

Then when you multiply this number by 3 you get 428,571 as shown below:

142,857 • 3 = 428,571

Now in this answer 428571 if you replace the numbers by their corresponding letters you get ABCDE1. Hence the equation:


Answer: The five digit number is 42,857

Hope this helps.

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Expert:  John D replied 10 years ago.

Thanks for the accept. Let me know if you need anything else.