SOLUTION: Sally is 1 uear older than 3 times the age of Joe.Chris is 5 years younger than 6 times the age of Joe.If sally and Chris are the same age how ol is Joe ?
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Question 1050212: Sally is 1 uear older than 3 times the age of Joe.Chris is 5 years younger than 6 times the age of Joe.If sally and Chris are the same age how ol is Joe ?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Sally's age now
Let = Joe's age now
Let = Chris's age now
----------------------------
(1)
(2)
(3)
----------------------
Substitute (3) into (2)
(2)
(2)
and
(1)
---------------------
Add (1) and (2)
(1)
(2)
---------------------
and
(1)
(1)
(1)
---------------------
(3)
(3)
---------------------
Sally is 7
Joe is 2
Chris is 7
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