Question

if i am 57 years old and i have known someone for 6 and a half years what percentage of my life have i known that person​

Answer 1

Answer: 11.4%

Explanation:

100% of your life is 57 years

?% will be 6.5 years?

this is a simple ratio problem:

57 --> 100%

6.5 ---> (6.5 x 100)/57 ≅ 11.4%

You have known the person for about 11.4% of your life.