In Algebra II and in the real world, sometimes we need to solve investment math problems by using linear equations. When solving word problems using linear equations, we first need to pull out the relevant information and put it into equation form. When working with investment math problems, we are usually asked to calculate amounts earned by interest on original principal amounts.
Sample Problems (1)
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My uncle deposited some money into an account that paid 5% interest. He made a second deposit of $2,000 more than the first into an account that yielded 9%.