8. A man invested $10,000, part at 5% and part is 9%. If the total interest was $660, much did he invest at 5%?

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8. A man invested $10,000, part at 5% and
part is 9%. If the total interest was $660,
much did he invest at 5%?
O $5,000
$4,500
$6,000
$3,000
O $4,000
Transcribed Image Text:8. A man invested $10,000, part at 5% and part is 9%. If the total interest was $660, much did he invest at 5%? O $5,000 $4,500 $6,000 $3,000 O $4,000
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