Let's test values!
Let n = 10; that means that V = 4 ounces and G = 6 ounces
In order for V to be 25% of the new total (T), the new total volume would need to be:
4 = 0.25T = 1/4 * T
T = 16 ounces
The new volume of 16 ounces is 6 more than the old volume, which means 6 ounces of G is added.
Test the answer choices, plugging in n = 10, and see which answer choice gives you 6.
Only Answer Choice "C" gives you the correct answer.
Let n = 10; that means that V = 4 ounces and G = 6 ounces
In order for V to be 25% of the new total (T), the new total volume would need to be:
4 = 0.25T = 1/4 * T
T = 16 ounces
The new volume of 16 ounces is 6 more than the old volume, which means 6 ounces of G is added.
Test the answer choices, plugging in n = 10, and see which answer choice gives you 6.
Only Answer Choice "C" gives you the correct answer.
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