Tocalculate:The amount invested in each fund if a total of $25,000 invested into two separate funds. The return on one fund was 4% and the return on the other was 6%. The town earned a total of $1300 in interest.
The town invested $10,000 on a fund which gives returns of 4% and $15,000 on fund which gives 6% return.
Given information:
A total of $25,000 invested into two separate funds. The return on one fund was 4% and the return on the other was 6%. The town earned a total of $1300 in interest.
Calculation:
Consider the giveninformation.
Let x is the amount invested at 4% and yis the amount invested at 6%
The total amount is $25000.
Thus,
The interest earned is $1300.
  
The system of equation representing the situation is:
  
Draw the matrix by using the above equations.
  
Now use Calculator to solve the equation.
Step 1: Press the 2ND key then press MATRX and select EDIT
Step 2: Click 1 to access matrix A.
Step 3: Input the dimensions and enter the entries by pressing ENTER after each value.
  
Step 4: Press 2ND QUIT 2ND MATRX and select MATH.
Step 5: Click ALPHA B 2ND MATRX 1 )
  
Step 6: Now press ENTER
  
Therefore, the solution of the equation is
Chapter 3 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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