For a 1.5% solution with 1 gallon of water, how many ounces of product are required?

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Multiple Choice

For a 1.5% solution with 1 gallon of water, how many ounces of product are required?

Explanation:
To make a 1.5% solution, the product must be 1.5% of the final mixture. If you start with 1 gallon of water, that’s 128 ounces. Let x be the ounces of product you add. The final volume is 128 + x, and the product fraction is x/(128 + x) = 0.015. Solve: x = 0.015(128 + x) = 1.92 + 0.015x, so 0.985x = 1.92, giving x ≈ 1.959 oz, which rounds to about 1.95 oz. Thus, about 1.95 ounces of product are required.

To make a 1.5% solution, the product must be 1.5% of the final mixture. If you start with 1 gallon of water, that’s 128 ounces. Let x be the ounces of product you add. The final volume is 128 + x, and the product fraction is x/(128 + x) = 0.015.

Solve: x = 0.015(128 + x) = 1.92 + 0.015x, so 0.985x = 1.92, giving x ≈ 1.959 oz, which rounds to about 1.95 oz.

Thus, about 1.95 ounces of product are required.

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