SOLUTION: Julie is twice as old as Alison. The sum of their age is 81. How old is Julie

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Question 1155561: Julie is twice as old as Alison. The sum of their age is 81. How old is Julie

Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


x = Alison's age
2x = Julie's age (she is twice as old as Alison)

The sum of their ages is 81:

x%2B2x+=+81

Solve using basic algebra.

Then remember that the question asks for Julie's age, which is 2x -- not just the x that you solved for.