SOLUTION: Betty is .20 her mother's age. Thier combined ages are 30. How old is betty?

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Question 100549: Betty is .20 her mother's age. Thier combined ages are 30. How old is betty?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
.2X+X=30
1.2X=30
X=30/1.2
X=25 THE MOTHER'S AGE.
.2*25=5
PROOF
5+25=30
30=30