He sold 2*25=<<2*25=50>>50 amulets

So he made 40*50=$<<40*50=2000>>2000

The faire took 2000*.1=$<<2000*.1=200>>200

So he kept 2000-200=$<<2000-200=1800>>1800

The amulets cost 50*30=$<<50*30=1500>>1500 to make

So he had a profit of 1800-1500=$<<1800-1500=300>>300

# Answer

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Dirk sells amulets at a Ren Faire.  He sells for 2 days and each day he sells 25 amulets.  Each amulet sells for 40 dollars and they cost him 30 dollars to make.  If he has to give 10% of his revenue to the faire, how much profit did he make?
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300
Dirk sells amulets at a Ren Faire.  He sells for 2 days and each day he sells 25 amulets.  Each amulet sells for 40 dollars and they cost him 30 dollars to make.  If he has to give 10% of his revenue to the faire, how much profit did he make?
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