A certain compound is a mixture of two concentrations of iron which are 44% and 29%. How many pounds of each concentration must be used to form 50lbs of compound having 38% iron?

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Answer:

Scholarly types may know that the word narcissistic is related to the Greek myth of Narcissus, a boy known for his good looks who after angered the gods, fell in love with his reflection in a pool. ... The adjective narcissistic describes those who are excessively self-absorbed, especially about their looks.

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