SOLUTION: Joan and her mother share the same birthday. Joan's mother was 34 when Joan was born. Today, when Joan adds her mother's age to her own age, the total is 100. How old is Joan today

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Question 1171378: Joan and her mother share the same birthday. Joan's mother was 34 when Joan was born. Today, when Joan adds her mother's age to her own age, the total is 100. How old is Joan today?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Joan is x
her mother is 34+x
Those add to 100=34+2x
x=33 years, Joan's age.