SOLUTION: Lualhati invests a part of 8500 in a time deposit which pays 6% and the rest in bonds paying 5% interest. the amount of income for the bonds is twice that from the time deposit. Ho

Question 932964: Lualhati invests a part of 8500 in a time deposit which pays 6% and the rest in bonds paying 5% interest. the amount of income for the bonds is twice that from the time deposit. How much is invested in each
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = amount invested at 6% in time deposit
y = amount invested at 5% in bonds
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x + y = 8500
0.05y = 2*0.06x
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put the system of linear equations into standard form
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x + y = 8500
0.12x - 0.05y = 0
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = amount invested at 6% in time deposit = 2500
y = amount invested at 5% in bonds = 6000
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Solve quadratic equations, quadratic formula:
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Solve systems of linear equations up to 6-equations 6-variables:
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