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My sister Susie sees that in two years she will be twice as old as she was four years ago. How old is my sister Susie today?

Answer :

Final answer:

By setting up an equation based on the information given and solving it, it was found that Susie is currently 10 years old.

Explanation:

The question involves finding the current age of someone named Susie given that in two years, she will be twice as old as she was four years ago. To solve this, let's designate Susie's current age as x. Therefore, in two years, Susie's age would be x + 2, and four years ago, her age was x - 4. The condition given is that in two years, her age would be twice her age from four years ago, which can be written as an equation: x + 2 = 2(x - 4). Solving the equation:

x + 2 = 2x - 8

2 + 8 = 2x - x

10 = x

So, Susie is currently 10 years old.

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Rewritten by : Barada

Susie is 10 years old today. Let's start by using algebra to translate the problem into an equation. Let "S" be Susie's current age:

"In two years, she would be" S + 2 years old

"Twice as old as she was four years ago" means 2(S - 4) years old, because four years ago, Susie was S - 4 years old, and twice that age is 2(S - 4).

So, we can write the equation:

S + 2 = 2(S - 4)

Now we can solve for S:

S + 2 = 2S - 8

10 = S

Therefore, Susie is 10 years old today.

To learn more about algebra please click on below link.

https://brainly.com/question/13715639

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