If the lethal dose of arsenic is 15 mg/kg what's the lethal dose for a 150 lb adult?

Turn pounds into kilograms then you'll have your answer with just one more simple step.

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Originally Posted by J_9

turn pounds into kilograms then you'll have your answer with just one more simple step.

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Umm can you explain to me exactlly how to that

Well, we would rather weigh more in kilograms than we would in pounds. So the number of kilograms is smaller than the number of pounds.

Unfortunately, we cannot do your homework for you, we can only guide you.

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Originally Posted by alexis0911

umm can you explain to me exactly how to that

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There are 2.205 pounds per kilogram. So, how many kilograms does a 150 pound man weigh?
Alternatively, 1 pound = 0.4536 kilograms.