SOLUTION: The age of my sister is the double of my age and in seven years the sum of our ages will be 50 What is the age of both ?

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Question 1073447: The age of my sister is the double of my age and in seven years the sum of our ages will be 50
What is the age of both ?

Found 4 solutions by Mathwiz@48, josgarithmetic, ikleyn, MathTherapy:
Answer by Mathwiz@48(3) About Me  (Show Source):
You can put this solution on YOUR website!
50-7=43
43/3=14.3(the 3 keeps going on and on)
14x2=28
Your sister is 28 years old and you are 14 years old
I hope I answer your question ✌🏻😀

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
system%28x=2y%2C%28x%2B7%29%2B%28y%2B7%29=50%29

x%2By=50-14
x%2By=36
2y%2By=36
3y=36
y=12-----------"my age"

x=24-------------"my sister"


-
CHECK
24%2B7%2B12%2B7
36%2B14
50

Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
Tutor (?) Mathwiz,

your post clearly shows that you are not familiar with solutions of age problems.


Learn how to solve them from the lessons
    - 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
in this site.

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".


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When a person comes to this forum as a tutor and wants to contribute as a tutor,
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Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

The age of my sister is the double of my age and in seven years the sum of our ages will be 50
What is the age of both ?
highlight_green%28matrix%282%2C2%2C+%22Mine%3A%22%2C+12%2C+%22Sister%27s%3A%22%2C+24%29%29