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A mass of copper and brass weighs 24 pounds and is worth $30.50. If the proportion of a copper and brass be interchanged, the mass would be worth $35.50. If 2 pounds of copper and 3 pounds of brass cost $6.75, find the cost/pound of copper.
A. $1.55
B. $1.25
C. $1.50
D. $1.25
E. $1.75
Read Solution (Total 1)
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- B. $1.25
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