WILL FAN AND MEDAL!!!!
Thor invests $750 in an account, with interest compounded continuously. If his investment doubles in value after 9 years, how much money will he have after 12 years? [Use the formla A = Pert and round answer to the nearest cent.]

Question

WILL FAN AND MEDAL!!!!
Thor invests $750 in an account, with interest compounded continuously. If his investment doubles in value after 9 years, how much money will he have after 12 years? [Use the formla A = Pert and round answer to the nearest cent.]

anonymous · Answer

A)
$1554.62
B)
$1889.51
C)
$2112.67
D)
$2654.83

yanasidlinskiy · Answer

Correct answer is B. Because....
PLug in 1500 for A, divide both sides by 750,then take the natural logarithm of both sides to get in(2) = 9r. Divide by 9 to get r=.077. Now use the equation A=750e.077t, and plug in 12 for t to get the answer. Hope this helped!!!!!:)

anonymous · Answer

Thanks So Much! @yanasidlinskiy