An investment of 20000 was made one year ago.
Part of the investment was placed into an account paying s interest at 8%
The remainder of the investment was placed into an account paying s interest at 6%
After one year, you received a total of 900 in interest. How much was invested in each account?
Calculate Principal Amounts for each fund:
For Fund 1, we invest an unknown amount, let us call it x
For Fund 2, the remaining principal is 20000 - x
Calculate Interest Credit for Fund 1
Since Fund 1 credits interest using the simple interest method, we have 0.08x
Calculate Interest Credit for Fund 2
Since Fund 2 credits interest using the simple interest method, we have 0.06(20000 - x)
Set up a grid with fund details:
| Interest Paid | Principal | Interest
Rate |
Fund 1 | 0.08x | x | 8% |
Fund 2 | 0.06(20000 - x) | (20000 - x) | 6% |
Total | 900 | 20000 | -- |
Calculate x from the grid:
Since both Interest paid columns add up to the total interest earned of 900, we set up an equation
0.08x + 0.06(20000 - x) = 900
0.08x + 1200 - 0.06x = 900
1200 + 0.02x = 900
Subtract 1200 from each side:
1200 - 1200 + 0.02x = 900 - 1200
Cancelling the 1200 on the left side, we get:
0.02x = -300
Divide each side by 0.02
Cancelling the 0.02 on the left side, we get:
x = -15000 ← Fund 1 Investment
This means we should 20000 - -15000 = 35000 into Fund 2
Final Answer
-15000 into Fund 1
35000 into Fund 2
You have 2 free calculationss remaining
What is the Answer?
-15000 into Fund 1
35000 into Fund 2
How does the Split Fund Interest Calculator work?
Free Split Fund Interest Calculator - Given an initial principal amount, interest rate on Fund 1, interest rate on Fund 2, and a total interest paid, calculates the amount invested in each fund.
This calculator has 4 inputs.
What 3 formulas are used for the Split Fund Interest Calculator?
Fund 1 investment is x
Fund 2 investment is T - x
Interest paid = Interest Rate * Investment
For more math formulas, check out our
Formula Dossier
What 3 concepts are covered in the Split Fund Interest Calculator?
- interest
- payment from a borrower or deposit-taking financial institution to a lender or depositor of an amount above repayment of the principal sum, at a particular rate
- principal
- The amount borrowed on a loan, before interest is charged
- split fund interest
Example calculations for the Split Fund Interest Calculator
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