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A small software corporation borrowed $325,000 to expand its software line. The corporation borrowed some of the money at 3%, some at 4%, and some at 5%. Use a system of equations to determine how much was borrowed at each rate when the annual interest was $12,200 and the amount borrowed at 4% was times the amount borrowed at 3%. Solve the system using matrices. 3 2 1/2 $ amount borrowed at 3% amount borrowed at 4% amount borrowed at 5% $ $ Need Help? Read It Master It