SOLUTION: Please help : A number twice that number, and one-third of that number are added. the result is 20. What the original number.
I don't know how to convert to math problem
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I don't know how to convert to math problem
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Question 839250: Please help : A number twice that number, and one-third of that number are added. the result is 20. What the original number.
I don't know how to convert to math problem Answer by ewatrrr(24785) (Show Source):
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***
