please answer.

Asked by Kchawla94 | 5th Apr, 2019, 06:00: PM

Expert Answer:

$100 has become 3 times in 12.5 years. hence simple interest is $200
 
pnR/100 = 100×12.5×R/100 = 200  or  Rate of interest = 16%
 
interest for 25 years = pnR/100 = 100×25×16/100 = $400
 
Total amount = $100 + $400 = $500

Answered by Thiyagarajan K | 6th Apr, 2019, 12:23: PM

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