John's weight bench can support 1000 pounds. He wants to make sure to stay 20% under that weight for safety. If he weighs 250 pounds how much weight can he put on the bar? Give me reasons, before answering the question
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He wants to stay 1000 * .2 = 200 pounds under the max. So he wants to stay under 1000 - 200 = 800 pounds. That means he can put 800 - 250 = 550 pounds on the bar. So the final answer is 550.
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