SOLUTION: A certain grade of gun metal( a mixture of tin and copper) contains 16 percent tin. How much tin, in pounds, must be added to 410 pounds of this gun metal to make a mixture that is

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Question 614099: A certain grade of gun metal( a mixture of tin and copper) contains 16 percent tin. How much tin, in pounds, must be added to 410 pounds of this gun metal to make a mixture that is 18 percent tin?
A)5
B)6.5
C)7
D)8
E)10

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Same as the problem about copper and tin, just different numbers. Do it the same way.

John

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