Question 943601
x = amount invested at 7%
y = amount invested at 9%
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0.07x + 0.09y = 5000
y = 20000
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put the system of linear equations into standard form
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0.07x + 0.09y = 5000
y = 20000
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copy and paste the above standard form linear equations in to this solver:
http://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = 45714.286
y = 20000
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answer:
x = 45714.29
y = 20000.00
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