The supplier brought 300 ft - 250 ft = <<300-250=50>>50 fewer feet of metal roofing.

Therefore the total amount of money Mr. Caiden has to pay for the remaining metal roofings is 50 feet * $8/foot = $<<50*8=400>>400

# Answer

400
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Mr. Caiden wants to do repairs to his house and requires 300 feet of metal roofing to do this. If each foot of roofing costs $8, and the supplier of the metal roofing brings in 250 feet of metal roofing for free, how much money is Mr. Caiden required to pay for the remaining metal roofing?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
400
Mr. Caiden wants to do repairs to his house and requires 300 feet of metal roofing to do this. If each foot of roofing costs $8, and the supplier of the metal roofing brings in 250 feet of metal roofing for free, how much money is Mr. Caiden required to pay for the remaining metal roofing?
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