Question

Choose what the expressions below best represent within the context of the word problem.

Answer 1

The number which represent tens digit of a number is twice the ones digit is;

• x represents the ones digit
• 2x represents the tens digit

Word problem

Complete question:

The tens digit of a number is twice the ones digit. The sum of the digits in the number is

12. What is the number?

• x represents ones digit
• 2x represents tens digit

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