SOLUTION: Amy was born when Phil was 24 years old. When Amy is 3 times as old as she is today, Phil will be 3 times as old as Amy. How old is Phil today?

Question 1059512: Amy was born when Phil was 24 years old.
When Amy is 3 times as old as she is today, Phil will be 3 times as old as Amy.
How old is Phil today?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Amy's age now
Let = Phil's age now
----------------------------
The difference in their ages will
ALWAYS be yrs
----------------------------
(1)
----------------------------
Note that
If I add to Amy's age, I
must add it to Phil's, so this
is what I get:
----------------------------
(2)
----------------------------
(2)
(2)
----------------------
By substitution:
(1)
(1)
(1)
and
(1)
(1)
(1)
-------------------
Phil is 28 now
-------------------
check:
When Amy is 3 times as old as she is today, or
when she is
Phil will be
and
OK

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