Darryl wants to add enough water to 8 gallons of a 10% bleach solution to make a 5% bleach solution. Which equation can he use to find x, the number of gallons of water he should add? 1.( (0.8)/(8 + x)

Darryl wants to add enough water to 8 gallons of a 10% bleach solution to make a 5% bleach solution. Which equation can he use to find x, the number of gallons of water he should add?

$1.( (0.8)/(8 + x) )( (5)/(100) = 1 \\ 2. (0.8)/(8 + x) = (5)/(100) \\ 3. (0.8)/(8 + x) = (100)/(5) \\ 4. (0.8)/(8 + x) / (5)/(100) = 1$

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Darryl wants to add enough water to 8 gallons of a 10% bleach solution to make a 5% bleach solution. Which equation can he use to find x, the number of gallons of water he shoul…

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