Ask your parents about it if they didn't help you can copy mine,
Well I asked my parents about they told me that around their age there weren't lots of facilities they even rarely saw transportation facilities like cars and bikes there were no proper internet facilities e.t.c
When I said them what were the changes in the last 25 years they said there were drastic changes including social, economic, science, transportation, health e.t.c and many more
I don’t quite understand your question
Answer: Additional money is $6250.
Step-by-step explanation:
Since we have given that
Amount of investment = $5000
Rate of simple interest = 3%
Let the additional amount of investment be 'x'.
Rate of simple interest = 3.9%
Total annual interest rate on total investment = 3.5%
So, According to question, it would be

Hence, Additional money is $6250.