SOLUTION: Question:
Michelle's age is three years less than five time her daughter's age. In 11 years Michelle's age will be 7 years more than twice her daughter's age will be then.
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Algebra.Com
Question 1037474: Question:
Michelle's age is three years less than five time her daughter's age. In 11 years Michelle's age will be 7 years more than twice her daughter's age will be then.
How old Michelle was 8 years ago?
Found 2 solutions by josmiceli, Vixiachase:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Michelle's age now
Let = her daughter's age now
--------------------------------
(1)
(2)
--------------------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
(1)
-----------------
How old Michelle was 8 years ago?
----------------------------
Michelle was 24 yrs old 8 yrs ago
----------------------------
check:
(2)
(2)
(2)
(2)
(2)
and
(1)
(1)
(1)
(1)
OK
Answer by Vixiachase(22) (Show Source): You can put this solution on YOUR website!
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