SOLUTION: Investing her bonus. Donna invested her $33,000 bonus and received a total of $970 in interest after one year. If part of the money returned 4% and the remainder 2.25% then how m
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Question 162194This question is from textbook Elementary & Intermediate Algebra
: Investing her bonus. Donna invested her $33,000 bonus and received a total of $970 in 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?
This question is from textbook Elementary & Intermediate Algebra
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
.04X+.0225(33,000-X)=970
.04X+742.5-.0225X=970
.0175X=970-742.5
.0175X=227.5
X=227.5/.0175
X=13,000 INVESTED @ 4%.
33,000-1,000=20,000 INVESTED @ 2.25%.
PROOF:
.04*13,000+.0225*20,000=970
52O+450=970
970=970
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