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QUESTIONS If you episod 7.930 is end the whole QUESTION You will delete for years, the move the world to 45cm for another yea
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Answer #1

1) Investment = $7939.. Time = 6years , Amount received = $20910.. Supposed interest rate = i..

Then, 20910 = 7939(1+i%)^6

(1+i%)^6 = (20910/7939) = 2.63

(now if we put i=18, then it will come to 2.68 which is near to 2.63)

hence the interest rate (i)= 18%...

2) Investment = $11644.. Time = 6 years.. Interest rate =10%..(simple interest)

Amount at the end of 6 years = $11644(1+6*10%)

= $18630...

Then for compound interest rate of 14%, time 3 years, investment $18630..

Amount received at the end of the period

= $18630(1+14%)^3 = $18630(1.14)^3 = $18630 * 1.48

= $27572...

(Please give an up vote if you find it helpful)...

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