SOLUTION: please translate this into algebraic expression: The total interest in one year earned by Jim if he invested part of $45,000.00 at 4% and the remainder at 3.5%

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Question 1063180: please translate this into algebraic expression:
The total interest in one year earned by Jim if he invested part of $45,000.00 at 4% and the remainder at 3.5%

Found 2 solutions by Boreal, rothauserc:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
x invested at 4%
45000-x invested at 3.5% (you can use y, but this keeps the equation in one variable)
.04x+(0.035)(45000-x)=total interest

Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
let x be the amount invested at 4%, then
:
total interest = (0.04*x) + (0.035*(45000-x))
: