SOLUTION: Roberta is 6 times Danielle's age. In 12 years, Roberta will only be 2 times Danielle's age. How old is Danielle now?

Question 1138903: Roberta is 6 times Danielle's age. In 12 years, Roberta will only be 2 times Danielle's age. How old is Danielle now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Roberta's age now
Let = Danielle's age now
---------------------------------------
(1)
(2)
----------------------------------
(2)
(2)
Plug (1) into (2)
(2)
(2)
(2)
and
(1)
(1)
(1)
-----------------
Danielle is 3 now
check:
(2)
(2)
(2)
(2)
OK

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