SOLUTION: Alex is twenty years older than Maria. Maria is three years old. How many years form now will he be three times as old as her?

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Question 829786: Alex is twenty years older than Maria. Maria is three years old. How many years form now will he be three times as old as her?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
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x = Alex
y = years from now when Alex will be 3 times as old as Maria
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x = 20 + 3
x = 23
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23 + y = 3(3 + y)
23 + y = 9 + 3y
2y = 14
y = 7
---
answer:
7 years from now Alex will be 3 times as old as Maria
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