SOLUTION: Cake is twice as ild as moja. Ten years ago, cake was 3 times as old as moja. What are their present age?

Question 1050543: Cake is twice as ild as moja. Ten years ago, cake was 3 times as old as moja. What are their present age?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Cake's preent age
Let = Moja's present age
------------------------------
(1)
(2)
------------------
(1)
(1)
(1)
---------------------
By substitution:
(1)
(1)
and
(2)
(2)
------------------
Cake is 40
Moja is 20
------------
check:
(1)
(1)
(1)
(1)
OK

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