Interest rate 8% how long will it take for a $2000 investment to double in value? what will be the value in seven years of $12,000 invested today? how much would you pay for the right to receive $5000 at the end of year one, $4000 at the end of year two and $8000 at the end of year five?

For a Principal of $2000 to double up, it will be $4000, so with a rate of 8%, when is that?



$12000 at 8% rate for 7years with simple interest?



now, for these ones, we'll assume the interest is still 8%, simple interest, and is asking for the Principal, how much would you put in in order to get $5000 for 1 year.



how about for for $4000 at 8% for 2 years?



how about for $8000 at 8% for 5 years?