Question: Walt made an extra $5000 last year from a part-time job. He invested part of the money at 7% and the rest at 8%. He

Walt made an extra $5000 last year from a part-time job. He invested part of the money at 7% and the rest at 8%. He made a total of $390 in interest. How much was invested at 8%?

$1000

$4000

$2500

$3000

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