SOLUTION: sara needs 11lb of metal with 45% silver. if sara combines one metal with 7 % silver, and another with 80% silver, how much of each metal does sara need?
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Question 1049830: sara needs 11lb of metal with 45% silver. if sara combines one metal with 7 % silver, and another with 80% silver, how much of each metal does sara need? Answer by ikleyn(52786) (Show Source):
