document.write( "Question 920481: You invest $4000 at 2.5% simple interest. How many years will it take to earn $1000 in interest? \n" ); document.write( "
Algebra.Com's Answer #558427 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
I+prt
\n" ); document.write( "1000=4000*0.025*t
\n" ); document.write( "1000/100=t
\n" ); document.write( "t=10 yrs
\n" ); document.write( "
\n" );