SOLUTION: how many years would it take at 10% per year for $1360 to double?

Algebra.Com
Question 960412: how many years would it take at 10% per year for $1360 to double?
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

Let = the number of years it
takes for $1360 to double
-------------------------


Take the log of both sides






It would take about 7 years and 4 months
check:




error due to rounding off
close enough to get the year and month


RELATED QUESTIONS

how many years would it take to double $100 if it earned interest at a rate of 8% per... (answered by Theo)
How many years would it take for $1.00 to double if it is compounded annually at... (answered by nerdybill)
At an annual rate of 8% compounded continuously, in how many years would it take for a... (answered by ewatrrr)
if your money is invested at 10%, about how many years will it take to... (answered by jorel1380)
suppose i put £6,000 into a bank account that pays interest at a rate of 8% per year,... (answered by josmiceli)
(answered by rfer)
How many years, correct to the nearest tenth of a year, will it take for a sum of money... (answered by stanbon)
how long would it take for money to double itself at 10% simple interest? (answered by malaydassharma,shreeaseem007@yahoo.in)
How long would it take for money to double itself at 10% simple... (answered by Alan3354)