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

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> 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      Log On


   



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) About Me  (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

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism