Hi,

to convert to math problem:

I.  Assign 'x' (variable)

II.  Write as you read ***

III. Solve for x

A number twice that number, and one-third of that number are added. 

the result is 20

***      Solve for x  (Multiplying thru by 3 so as all denominators = 1

    6x + x = 60

      7x = 60

       x = 60/7          Or 8 4⁄7  

CHECKING our answer***

  

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