SOLUTION: Mickey Mouse has $3000 more invested in a mutual fund paying 5% interest than he has invested in a savings account paying 3% interest. If he received a total of $310 in interest fo

Question 942871: Mickey Mouse has $3000 more invested in a mutual fund paying 5% interest than he has invested in a savings account paying 3% interest. If he received a total of $310 in interest for one year, how much did he have invested in each of the two accounts?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = dollar amount invested at 5%
y = dollar amount invested at 3%
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x = y + 3000
0.05x + 0.03y = 310
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put the system of linear equations into standard form
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x - y = 3000
0.05x + 0.03y = 310
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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 = 5000
y = 2000
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