SOLUTION: Katie is now three times as old a s emily. in 10 yeaars, katie will be twice as old as emily will be then. find their present ages.

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Question 387844: Katie is now three times as old a s emily. in 10 yeaars, katie will be twice as old as emily will be then. find their present ages.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,         

Let x and 3x represent Emily's and Katie's age now respectively

IN 10 years...***

 3x+10 = 2(x+10)

solving for x

 3x+10 = 2x + 20

   x = 10, Emily's age NOW.  Katie is now 30



CHECKING our Answer***

 40 = 2*20