I saw this in one of the Algebra 1 questions, so how can I do this without logarithms, and can I ??
It was something along the following lines.

John deposited $1000 at a 4.3 interest rate, that is compounded quarterly (4 times each year).
After how many years, will John have $7,000 ?
(Solving for number of years)

Question

I saw this in one of the Algebra 1 questions, so how can I do this without logarithms, and can I ??
It was something along the following lines.

John deposited $1000 at a  4.3 interest rate, that is compounded quarterly (4 times each year). 
After how many years, will John have $7,000 ?
(Solving for number of years)

anonymous · Answer

I did some work, should I post it here ?

anonymous · Answer

6

anonymous · Answer

I need not the answer, but the way to solve it without having to use logs.

anonymous · Answer

70000/100 = 7

anonymous · Answer

the .4 would make it a bit less

anonymous · Answer

of u want an esimate its 6