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    Exam 10: Systems of Linear Equations
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    The Sum of the Digits of a Certain Three-Digit Number
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The Sum of the Digits of a Certain Three-Digit Number

Question 7

Question 7

Short Answer

The sum of the digits of a certain three-digit number is nine. The sum of the hundreds and the tens digits is equal to the ones digit minus one. The number, divided by nine, equals three times the ones digit. What is the number?

Correct Answer:

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