SOLUTION: The problem is:
Write an equation which models how old, in years, you will be when you are 3 times as old as the younger person.
I am 30
My cousin is 12
Please explain reas
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Write an equation which models how old, in years, you will be when you are 3 times as old as the younger person.
I am 30
My cousin is 12
Please explain reas
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Question 193756: The problem is:
Write an equation which models how old, in years, you will be when you are 3 times as old as the younger person.
I am 30
My cousin is 12
Please explain reasoning Found 2 solutions by stanbon, RAY100:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Write an equation which models how old, in years, you will be when you are 3 times as old as the younger person.
NOW DATA
I am 30
My cousin is 12
----------------------------
x years from not DATA
I will be 30 + x
My cousin will be 12 + x
-----------------------------
Equation:
30+x = 3(12+x)
30 + x = 36 + 3x
2x = -6
x = -3
-----------------
Answer:
When I was 30-3 = 27
My cousin was 12-3 = 9
At that time I was 3 times my cousin's age.
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Cheers,
Stan H.
You can put this solution on YOUR website! older =30,,,younger = 12 ,,,,given
,
(30+x) = 3(12+x)
30 +x = 36 +3x
-2x = 6
x = (-3)
or 30-3=27
12-3=9
,
ratio is correct = 3
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