Mary is 24 years old. Mary is twice as old as Ann was when mary was as old as ann is. How old is Ann?
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Answer:
Step-by-step explanation:
Mary is 24 yrs old. Mary is twice as old as Ana was when Mary was as old as Ana is now. How old is Ana?
It's little messy question.
Don't be bewildered.Take time to understand.
Let's break the question.
Mary is twice as old as Ana, was**. So once Mary was twice as old as Ana. (When? Long ago)
Let's take Ana was X years old.
So Mary was 2X years old.
So Mary is (2x-x)=x years older than Ana.
Any clue? Like How old was Mary then?
Yeah, Mary was as old as Ana is now.
We can say Ana is as old as Mary was.
From our equation we know that Mary was 2x years old. So Ana is 2x years old now.
As Mary is x years older than Ana.
So Mary is (2x+x)=3x years old now.
Given that 3x=24; so x=8.
How old is Ana now? 2x=2*8=16.
( she is x=8 years younger than Mary)
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