Mathematics, 07.01.2021 07:00 soccerjessie8701

Hanai invested $20,000, part at 3% interest and part at 5% interest. The investment returned $800.
How would the investment need to be split to make more than $800?

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Hanai invested $20,000, part at 3% interest and part at 5% interest. The investment returned $800.<...