Question

Fan and medal!!
Thor invests some money in an account earning 8% interest, compounded continuously. After how many years will he double his investment? [Use the formla A = Pe^rt and round answer to the nearest tenth.]
A) 6.2 years
B) 7.5 years
C) 8.7 years
D) 9.9 years

Answer 1

Double the amount means if P =x, A =2x
makes sense?

Answer 2

Yeah thanks :)

Answer 3

take r = 0.08
and let me know what you get for t :)

Answer 4

alright. I really needed that one ^_^

Answer 5

oh. would t be any of those answer choices.

Answer 6

yes

Answer 7

ok.

Answer 8

is it 9.9 years?

Answer 9

no

Answer 10

hmmm.

Answer 11

t=(ln2)/0.08=...

Answer 12

oooh. I used the wrong equation 0.0

Answer 13

equation is given in the question, use that one.

Answer 14

8.7

Answer 15

\(\huge \checkmark \)

Answer 16

thanks man u r awesome. ^o^

Answer 17

you too, welcome ^_^

Answer 18

see ya next time