ns 122. Finding Time Find the amount of time to the neares a year that it would
ID: 3136994 • Letter: N
Question
ns 122. Finding Time Find the amount of time to the neares a year that it would take for S10 to grow to $40 at each of following annual rates compounded continuously a. 1% b. 2% c. 8.327% 123. Finding Rate Find the annual percentage rate compounded continuously to the nearest tenth of a percent for which $10 would grow to $30 for each of the following time periods. a. 5 years b. 10 years c. 20 years d. 40 years 124. Finding Rate Find the annual percentage rate to the nearest tenth of a percent for which $10 would grow to $50 for eah of the following time periods. a. 4 years b. 8 years c. 16 years d. 32 years 25. Becoming a illionaire Find the amount of time to the ne est dar thsExplanation / Answer
122)
A= Pe^(rt)
40 =10e^(rt)
4=e^(rt)
ln(4) =rt
t= ln(4)/r
a)
when r= 0.01
t= ln(4)/0.01
t= 138.6 years
b)
when r= 0.02
t= ln(4)/0.02
t= 69.3 years
c)
when r= 0.08327
t= ln(4)/0.08327
t=16.6 years
d)
when r= 0.07667
t=ln(4)/0.07667
t= 18.1 years
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.