<human>:  A factory used to make tractors, but now makes silos. When they made tractors, they sold 10 tractors a day and made $100 per tractor. Now, they sell 5 silos a day, and make $220 per silo. What percentage more are they making per day now?
<bot>: How much money did they make when they made tractors? ** They used to make $1,000 a day because 10 x 100 = <<10*100=1000>>1,000
How much money do they make when they make silos? ** They now make 1,100 a day because 5 x 220 = <<5*220=1100>>1,100
How much more money do they make per day now? ** They make 10% more per day because 1000 +(1000 x (X/100)) = 1,100 if X = 10
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