Ten years ago the age of the father was four times of his son. Ten years hence the age of the father will be twice that of his s
on. The present ages of father & son are?
1 answer:
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Answer: d. 512
Step-by-step explanation:
You need to remember that:
Then, given the equation:
You can find the value of "n" that make the equation true, by solving for "n".
So, to solve for "n", you need to raise both side of the equation to power 3. Therefore, you get:
Then, the value of "n" that makes the equation true is: 512 (You can observe that this matches with the option d).