Question 1155634: when maria was 6 years old. Andrew was twice her age, maria is 9 years old now. How old is Andrew.
Found 3 solutions by josgarithmetic, ikleyn, MathTherapy:
Answer by josgarithmetic(39630)   (Show Source):
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Andrew was twice Maria's age when she was 6 years old. Maria is 9 now. How old is Andrew?
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Answer by ikleyn(52903)  (Show Source):
You can put this solution on YOUR website! .
From the condition, when Maria was 6 years old, Andrew was 12 years old.
So the difference between their ages is 6 years.
Hence, since Maria is 9 years now, Andrew's current age is 9+6 = 15 years. ANSWER
Solved.
Answer by MathTherapy(10557)  (Show Source):
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when maria was 6 years old. Andrew was twice her age, maria is 9 years old now. How old is Andrew.
Maria is now 9, so 3 years ago, she was 6
Since at that time, Andrew was twice her age, then at that time (3 years ago), Andrew was 2(6), or 12 years-old.
Three years after (now), obviously,  .
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