A’s age after 15 years would be equal to 5 times his age 5 years ago. Find his age 3 years hence.Question Description : 11 years13 years14 years12 years
Question
Solution
Let's denote A's current age as x.
According to the problem, A’s age after 15 years would be equal to 5 times his age 5 years ago. We can write this as an equation:
x + 15 = 5 * (x - 5)
Solving this equation will give us A's current age.
First, simplify the right side of the equation:
x + 15 = 5x - 25
Then, rearrange the equation to isolate x:
5x - x = 15 + 25
4x = 40
Finally, solve for x:
x = 40 / 4
x = 10
So, A is currently 10 years old.
The problem asks for A's age 3 years hence, so we add 3 to A's current age:
10 + 3 = 13
Therefore, A will be 13 years old in 3 years.
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