On your birthday your grandmother gave you 18000 You would like to invest at least 7500 of the money in municipal bonds yielding 3 and no more than 4000 in Treasury bills yielding 5 How much should be placed in each investment in order to maximize the interest earned in one year Assume simple interest applies Let x represent the amount of money in municipal bonds and y represent the amount of money in Treasury bills Answer Enter the value in the first box and the ordered pair in the second box Maximum income of Maximum income at Keypad Keyboard Shortcuts