2. Interest: A woman invested part of $20, 000 at 6% interest and the rest at 7%. If her annual interest is $1260, how much did she invest at 6%?
2. Interest: A woman invested part of $20, 000 at 6% interest and the rest at 7%. If her annual interest is $1260, how much did she invest at 6%?
Chapter2: Solving Linear Equations
Section2.2: Use A Problem Solving Strategy
Problem 2.50TI: Susana invested a principal of $36,000 in her bank account that earned simple interest at an...
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