Question

In what time will the sum of money double itself at 20% per annum?

2 years

3 years

4 years

5 years
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Answer 1

Answer:

please mark brainliest

Step-by-step explanation:

5 years

20%............

let the value be 100..

s.i=prt\100

=100*20*1\100

=20

ammount=p+s.i

100+20=120...

increase=20\100*100=20%....

pls choose as brainliest

in 1 year = 20 in 5 years =200...

thus ans is 5 yrs.....

Answer 2

Answer:

You can solve for N in the compound interest formula:

Final amount = Initial Amount * (1+ Interest Rate) ^ N

and you would get 3.80 years….or about 9 and a half months.