See:
http://www.jiskha.com/display.cgi?id=1401846779
Simple interest
the simple interest received from investment is directly proportional to the amount of the investment. By investing $4000 in a municipal bond you obtain interest of $280 at the end of 1year. Find a mathematical model that gives the interest I at end of 1year in terms of the amount P.
1 answer
1 answer