SOLUTION: Jack is 4 times as old as Lacy. 3 years ago the sum of their ages was 24. How old are they now?
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Question 979979: Jack is 4 times as old as Lacy. 3 years ago the sum of their ages was 24. How old are they now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
(2)
-------------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
--------------------
Jack is 24
Lacy is 6
------------------
check:
(2)
(2)
(2)
(2)
OK
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