SOLUTION: The simple interest received an investment is directly proportional to the amount of the investment. By investing $2000 in a corporate bond, you obtain interest of $120 at the end

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Question 1031840: The simple interest received an investment is directly proportional to the amount of the investment. By investing $2000 in a corporate bond, you obtain interest of $120 at the end of 1 year. Find a mathematical model that gives the interest I at the end of the one year in term of the amount invested P.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +r+ = the interest rate
+120+=+r%2A2000+
+r+=+120+%2F+2000+
+r+=+.06+
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+I+=+r%2AP+
+I+=+.06P+