Formulate but do not solve the problem. michael perez deposited a total of $2000 with two savings institutions. one pays interest at a rate of 5%/year, whereas the other pays interest at a rate of 8%/year. if michael earned a total of $130 in interest during a single year, how much did he deposit in each institution? (let x and y denote the amount of money, in dollars, invested at 5% and 8%, respectively.) 0.06x 0.08yx130 x2000