Question

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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Answer 1

letter B is the correct answer!

Answer 2

2) 0.8/8+x=5/100

Explanation: