The simple interest on an investment is directly proportional to the amount of the investment. By investing $$4250$ in a certain bond issue, you obtained payment of $$233\mathrm{.}75$ after $1$ year.

Find a mathematical model that gives the interest I for this issue after $1$ year in terms of amount invested P$.$
 

Answer rating: 100% (QA)

Lets denote the interest as I and the amount invested as P B... View the full answer