SOLUTION: In 6 years time Mira will be twice as old as she was 3 years ago. How old is she now?

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Question 1108527: In 6 years time Mira will be twice as old as she was 3 years ago. How old is she now?
Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.
M + 6 = 2*(M-3),

M + 6 = 2M - 6

6 + 6 = 2M - M

12 = M.


Answer.  Mira is 12 years old.

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There is a bunch of lessons on age word problems
    - Age problems and their solutions
    - A fresh formulation of a traditional age problem
    - Really intricate age word problem
    - Selected age word problems from the archive
    - Age problems for mental solution
in this site.

Read them and become an expert in solving age problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Age word problems".


Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.