<human>:  Sarah is planning to do some baking. She buys 5 pounds of rye flour, 10 pounds of whole-wheat bread flour, and 3 pounds of chickpea flour. Sarah already had 2 pounds of whole-wheat pastry flour at home. How many pounds of flour does she now have?
<bot>: How many pounds of flour did he buy? ** She bought 5+10+3=<<5+10+3=18>>18 pounds
How many pounds of flour does she now have? ** She now has 18+2=<<18+2=20>>20 pounds
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