SOLUTION: In five years, my daughter's age will be the same as twice her age 10 years ago. How old is my daughter now?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: In five years, my daughter's age will be the same as twice her age 10 years ago. How old is my daughter now?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1106694: In five years, my daughter's age will be the same as twice her age 10 years ago. How old is my daughter now?
Answer by ikleyn(52847) About Me  (Show Source):
You can put this solution on YOUR website!
.
The condition says

D + 5 = 2*(D-1).    (where D is the daughter present age)


================>  D + 5 = 2D - 2  ====>  5 + 2 = D  ====>  D = 7.

----------------
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.