human
Joe sells cookies for 20% more than it costs to make them. If he sold 50 cookies and earned $60, how much do the cookies cost to make?
assistant
How much did Joe sell the cookies for? ** He sold the cookies for $1.20 each because 60 / 50 = <<60/50=1.2>>1.2
How much did the cookies cost to make? ** They cost $1 to make because 1.2 / 1.2 = <<1.2/1.2=1>>1
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