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
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):