An investment of 65,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6% and the third 9%. Total interest was 4770. The interest from the 1st investment was 2 times the interest from the second. Find the amounts of the three parts of the investment.

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Eiwoh2 · Answer

very interesting question....

pandasurvive · Answer

This similar question might help you https://www.algebra.com/algebra/college/linear/Linear_Algebra.faq.question.473718.html

Eiwoh2 · Answer

but lets do this: x = amount at 8% 
y = 6% 
z = 9 %

x + y + z = 114000 
0.08x + 0.06y + 0.09z = 8580 
0.08x = 3(0.06 y

Ultrilliam · Answer

Heres a few similiar questions. questioncove.com/updates/4d97a7b95ca48b0b781888bb questioncove.com/updates/4de302e24c0e8b0b652daad8 questioncove.com/updates/51bf4750e4b0a49e8c8ef2e1

Eiwoh2 · Answer

:\ and another is this one