SOLUTION: Tuna is sometimes packed in a brine (salt) solution. How many pounds of water must be added to 100 pounds of a 15 percent solution of salt and water to reduce it to a 10 percent s

SOLUTION: Tuna is sometimes packed in a brine (salt) solution. How many pounds of water must be added to 100 pounds of a 15 percent solution of salt and water to reduce it to a 10 percent s

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Question 95882: Tuna is sometimes packed in a brine (salt) solution. How many pounds of water must be added to 100 pounds of a 15 percent solution of salt and water to reduce it to a 10 percent solution of salt?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
(100*.15)=.10(100+x)
15=10+.1x
.1x=15-10
.1x=5
x=5/.1
x=50 pounds of water need to be added.
proof
15=.1*150
15=15

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