SOLUTION: Jan is 7 years older than Anna. How old are Jan and Anna, respectively, if double the sum of their combined ages is 66?

Question 1085263: Jan is 7 years older than Anna. How old are Jan and Anna, respectively, if double the sum of their combined ages is 66?
Found 2 solutions by josmiceli, Alan3354:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Jan's age now
Let = Anna's age now
----------------------------
(1)
(2)
----------------------------
(2)
(2)
Plug (1) into (2)
(2)
(2)
(2)
and
(1)
(1)
(1)
-----------------------
Jan is 20
Anna is 13
-----------------------
check:
Jan is 7 years older than Anna.
TRUE
double the sum of their combined ages is 66

OK
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Jan is 7 years older than Anna. How old are Jan and Anna, respectively, if double the sum of their combined ages is 66?
---------
J - A = 7
J + A = 33
--------------------- Add

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