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## Jaweria Group Title Can anyone please help me with my math problems? one year ago one year ago

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1. Jaweria Group Title

How long will it take an investment to double in value if the interest rate is 6% compounded continuously?

2. SOSAlgebra6629 Group Title

What is the original investment?

3. Jaweria Group Title

its just saying to double it which could be 100

4. Jaweria Group Title

so when we double it then it will be 200

5. Jaweria Group Title

the answer I am getting is 11.55 can someone check it for me please?

6. satellite73 Group Title

$(1.06)^t=2$ solve for $$t$$

7. satellite73 Group Title

doesn't matter what you start with, doubling time is doubling time

8. satellite73 Group Title

solve via $t=\frac{\ln(2)}{\ln(1.06)}$

9. satellite73 Group Title

oh continuously!!

10. satellite73 Group Title

$e^{.06t}=2$ $.06t=\ln(2)$ $t=\frac{\ln(2)}{.06}$

11. satellite73 Group Title

no one compounds money continuously. just saying

12. Jaweria Group Title

yeah so I am right too :) my answer is 11.55

13. Jaweria Group Title

can you please help me with some little bit more problems?

14. Jaweria Group Title

When a cold drink is taken from a refrigerator, its temperature is 5°C. After 25 minutes in a 20°C room its temperature has increased to 10°C. (a) What is the temperature of the drink after 50C minutes? (b) When will its temperature be 15°C?