I answered a question correctly and someone deleted my answer without giving me any explanation. I don't know why someone would
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<u>Answer with step-by-step explanation:</u>
We are given that Sam invested $48,000 at 6% interest and the rest at 10%. Given that he received $4,000 interest in one year, we are to find how much he invest at each rate.
Assuming the amount invested at 6% interest rate as , we can write it as:
So the amount invested at 6% = $20,000 and amount invested at 10% = (48000 - 20000) = $28,000