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Three years ago, Austin was one-third as old he will be in fifteen years. How old is Austin?

 Apr 23, 2021
 #1
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He would be 8

 Apr 23, 2021
edited by MusicalMalfunction  Apr 23, 2021
 #2
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never  mind that

 Apr 23, 2021
 #3
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We can setup an equation:

 

Let \(x\) be Austin's age. 

 

We can make this equation: \(x -3 = \frac{1}{3} * (x+15)\) , which simplifies to \(x=12\)

Austin is 12 years old. 

 

Hope this helps! laugh

AnxiousLlama

 Apr 23, 2021
edited by AnxiousLlama  Apr 23, 2021

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