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anonymous
 one year ago
can anyone tell me how to solve this problem? i cant understand what is it means....
Rosamaria is setting up a 20 gallon saltwater fish tank that needs to have a salt content of 3.5%. If she has 2.5% salt and water that has 3.7% salt, how many gallons of the water with 3.7% salt content should she use
anonymous
 one year ago
can anyone tell me how to solve this problem? i cant understand what is it means.... Rosamaria is setting up a 20 gallon saltwater fish tank that needs to have a salt content of 3.5%. If she has 2.5% salt and water that has 3.7% salt, how many gallons of the water with 3.7% salt content should she use

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0lets call the amount of \(3.7\%\) salt water \(x\) since that is what you are trying to find

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0and since the total is \(20\) that means the amount of \(2.5\%\) solution is \(20x\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0wait, i cant understand why amount of 3.7% salt water is x

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the total amount of salt you want is \(3.5\%\) of \(20\) which is \(.035\times 20=.7\) ok lets back up

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0what are you asked at the end of the question?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i mean that what is the thing that the problem is asking about

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how many gallons of the water with 3.7% salt content should she use? is the question right?
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