SOLUTION: jack is 3 years older then his sister jill. the sum of their ages is 45. how old are jack and jill.
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Question 627189: jack is 3 years older then his sister jill. the sum of their ages is 45. how old are jack and jill.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Jack's age now
Let = Jill's age now
given:
(1)
(2)
-------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and, since
(2)
(2)
(2)
Jack is 24 and Jill is 21
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