SOLUTION: please help me with this problems:
1.- A 10% salt solution is to be mixed with a 20% salt solution to produce 30 gallons of a 12% salt solution. How many gallons of the 10% soluti
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1.- A 10% salt solution is to be mixed with a 20% salt solution to produce 30 gallons of a 12% salt solution. How many gallons of the 10% soluti
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Question 1078298: please help me with this problems:
1.- A 10% salt solution is to be mixed with a 20% salt solution to produce 30 gallons of a 12% salt solution. How many gallons of the 10% solution and how many gallons of the 20% solution will be needed?
2.- a hardware store sells two types of paintbrushes.Brand A is a priced at $4 each and Brand B is priced at $6.50 each. If the store sold a total 26 brushes and took in $129 how many brushes of each type were sold?
tank you so much
Pilar W Found 2 solutions by josgarithmetic, ikleyn:Answer by josgarithmetic(39617) (Show Source):
You can put this solution on YOUR website! 1.- A 10% salt solution is to be mixed with a 20% salt solution to produce 30 gallons of a 12% salt solution.
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x, amount gallons of the 10%
30-x, amount of the 20%
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