SOLUTION: A number, twice that number and one third of that number are added. The result is 20. What is the number?

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Question 276486: A number, twice that number and one third of that number are added. The result is 20. What is the number?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
N+2N+N/3=20
(3N+3*2N+N)/3=20
(3N+6N+N)/3=20
10N/3=20
10N=20*3
10N=60
N=60/10
N=6 ANS.
PROOF:
6+2*6+6/3=20
6+12+2=20
20=20