SOLUTION: Solve the following problem using two variables and a system of two equations. Solve the system by the method of your choice. Ms. Jones invested ​$21,000 in two​ accounts, one

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Question 1148937: Solve the following problem using two variables and a system of two equations. Solve the system by the method of your choice.
Ms. Jones invested ​$21,000 in two​ accounts, one yielding 6​% interest and the other yielding 9​%. If she received a total of​ $1620 in interest at the end of the​ year, how much did she invest in each​ account?
Question Fill in: The system of equations representing the given problem has a single solution. The amount invested at 6​% was ​$_______
and the amount invested at 9​% was ​$______.

Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
x at 9%
21000-x at 6%


Simplify and solve for x.


If you really want to start with two equations in two variables, then

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