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Lisa has $1,000 in cash today. Which one of the following investment options is most apt to double her money? A. 6 percent interest for 3 years B. 12 percent interest for 5 years C. 7 percent interest for 9 years D. 8 percent interest for 9 years E. 6 percent interest for 10 years

Respuesta :

Answer:

D. 8 percent interest for 9 years

Explanation:

We would use the formula future value formula below to determine which of the investment options would double her money:

FV=PV*(1+r)^n

PV is the amount invested which is $1000

r is the interest rate expected to be earned while n is the number of years First option:

FV=$1000*(1+6%)^3

FV=$1,191.02  

Second option:

FV=$1000*(1+12%)^5

FV=$1,762.34  

Third option:

FV=$1000*(1+7%)^9

FV=$ 1,838.46  

Fourth option:

FV=$1000*(1+8%)^9

FV=$2000

Last option:

FV=$1000*(1+6%)^10

FV=$ 1,790.85  

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