SOLUTION: Karen invested some money at 9% annual simple interest and $250 more than that amount at 10% interest. If her total yearly interest from both accounts was $101, how much was invest

Question 124885This question is from textbook
: Karen invested some money at 9% annual simple interest and $250 more than that amount at 10% interest. If her total yearly interest from both accounts was $101, how much was invested at each rate This question is from textbook

Answer by checkley71(8403) (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 amount invested @ 10%.
proof.
.09*400+.10*650=101
36+65=101
101=101

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