SOLUTION: Write a system of two equations in two unknowns for each problem.
76. Donna invested her $33,000 bonus and received a total of $970in interest after one year. If part of the mo
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Question 53892: Write a system of two equations in two unknowns for each problem.
76. Donna invested her $33,000 bonus and received a total of $970in interest after one year. If part of the money returned 4% and the remainder 2.25%, then how much did she invest at each rate?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Donna invested her $33,000 bonus and received a total of $970in interest after one year. If part of the money returned 4% and the remainder 2.25%, then how much did she invest at each rate?
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Let x be the amount invested at 4% and let y be the amount invested at 2/25%.
x+y=33000
0.04x + 0.0225y=970
Cheers,
Stan H.
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