Question
SIMPLE INTEREST The simple interest on an investment is directly proportional to the amount of the investment. By investing $\$3250$ in a certain bond issue, you obtained an interest payment of $\$113.75$ after 1 year. Find a mathematical model that gives the interest $I$ for this bond issue after 1 year in terms of the amount invested $P$.
Step 1
This can be represented by the equation $I=kP$, where $I$ is the interest, $P$ is the principal amount (the initial investment), and $k$ is the constant of variation. Show more…
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The simple interest on an investment is directly proportional to the amount of the investment. An investment of $\$ 3250$ earns $\$ 113.75$ after 1 year. Find a mathematical model that gives the interest $I$ after 1 year in terms of the amount invested $P$.
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Simple Interest The simple interest on an investment is directly proportional to the amount of the investment. An investment of $\$ 3250$ will earn $\$ 113.75$ after 1 year. Find a mathematical model that gives the interest $I$ after 1 year in terms of the amount invested $P .$
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