Today is Maryum's birthday. After one year, she will become two times as she was ten years ago. current age of Maryum?
Answer: 21
Explanation
Let Maryum's current age be x.
Ten years ago, Maryum's age was x - 10.
After one year, Maryum's age will be x + 1.
According to the problem, after one year, Maryum's age will be two times her age ten years ago:
x + 1 = 2(x - 10)
Now, simplify the equation:
x + 1 = 2x - 20
Add 20 to both sides:
x + 21 = 2x
Subtract x from both sides:
21 = x
So, Maryum's current age is 21.
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