SOLUTION: Josie is 10 times as old as her sister Julia. In 16 years Josie will be twice as old as Julia. Find their present age.

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Question 397703: Josie is 10 times as old as her sister Julia. In 16 years Josie will be twice as old as Julia. Find their present age.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
josie = 10x
julia = x
10x + 16 = 2(x + 16)
==> 10x + 16 = 2x + 32
==> 8x = 16
==> x = 2, the age of julia, and
10x = 20, the age of josie.