SOLUTION: Karen Waugtat investedsome money at 9% annual simple interest and $250 more than that amount at 10% annual interest.If her total yearly interest is $101,how much was invested in ea

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Question 59261This question is from textbook Beginning Algebra
: Karen Waugtat investedsome money at 9% annual simple interest and $250 more than that amount at 10% annual interest.If her total yearly interest is $101,how much was invested in each rate. This question is from textbook Beginning Algebra

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
.09X+.10(X+250)=101
.09X+.10X+25=101
.19X=101-25
.19X=76
X=76/.19
X=400 INVESTED @ 9%
400+250=650 INVESTED @ 10%
PROOF
.09*400+.10*650=101
36+65=101
101=101