<human>:  Benny is baking pies for a bake sale. He plans to make ten pumpkin pies, which cost $3 each to make, and twelve cherry pies, which cost $5 each to make. If he wants to make a profit of $20 selling all the pies, how much does he have to charge for each pie if both kinds sell at the same price?
<bot>: How much will Benny spend to make the pumpkin pies? ** Benny will spend 3 * 10 = $<<3*10=30>>30 to make the pumpkin pies.
How much will Benny spend to make the cherry pies? ** He will spend 5 * 12 = $<<5*12=60>>60 to make the cherry pies.
How much does he have to earn selling all the pies? ** He wants to make a profit of $20, so he has to earn 30 + 60 + 20 = $<<30+60+20=110>>110 selling all the pies.
How much does he need to charge per pie? ** He is making 22 pies, so he needs to charge 110 / 22 = $<<110/22=5>>5 per pie.
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