First Store:50000(.10)=<<5000=5000>>5000

50000-5000=<<50000-5000=45000>>45000 pounds

Second Store:45000(.20)=9000

45000-9000=<<45000-9000=36000>>36000 pounds

# Answer

36000
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
A tractor trailer has a load of 50000 pounds.  10% of the weight gets unloaded at the first store, and 20% of the remaining load is removed at the second store.  How much weight, in pounds, is left on the truck after the two deliveries?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
36000
A tractor trailer has a load of 50000 pounds.  10% of the weight gets unloaded at the first store, and 20% of the remaining load is removed at the second store.  How much weight, in pounds, is left on the truck after the two deliveries?
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