Heather has divided 57100 between two investments, one paying 9%, the other paying 7%. If the return on her investment is 5555, how much does she have in each investment? Do not try to solve each problem algebraically Instead, make a guess that satisfies one or more conditions of the problem and then evaluate your guess. Keep adjusting your guesses until you have a solution that fits all the conditions of the problem. Heather invested $ at 9%, and $ at 7%. Help