To have more depositors, new investment products must be made to the small businesses and single entities. The investment products must be pay an interest from 3% to 10% anually. Grabbing this opportunity to earn, a professional has invested money in three accounts which pay 5%, 7%, and 8% in annual interest. He has three times as much invested at 8% as she does at 5%. If he invested Php. 80,000 in total and obtained interest for the year with an amount of PhP 5750, how much money does he have in each account? Formulate the system of equations generated by this investment problem

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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To have more depositors, new investment products must be made to the small businesses and single entities. The investment products must be pay an interest from 3% to 10% anually. Grabbing this opportunity to earn, a professional has invested money in three accounts which pay 5%, 7%, and 8% in annual interest. He has three times as much invested at 8% as she does at 5%. If he invested Php. 80,000 in total and obtained interest for the year with an amount of PhP 5750, how much money does he have in each account?

Formulate the system of equations generated by this investment problem.

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