SOLUTION: How much salt must be added to 60 kg of a 20% solution of salt to increase it to 25% solution of salt ?
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Question 804056: How much salt must be added to 60 kg of a 20% solution of salt to increase it to 25% solution of salt ?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Let y = the amount of salt to add to change to 25%.
Amount of salt just as salt, .
Amount of salt solution result, .
If 25% salt result is wanted, then
Steps:
ANSWER: kg.
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You can set-up the solution for values of resulting salt solution higher than 25%, but beyond 25% salt solution would not be realistic. Certainly anything as high as 40% will NOT happen, although you CAN set the initial equation for it and do the algebra/arithmetic steps similarly as shown.
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