They used 6 oz of sugar.
Proportionality
In order to determine how much sugar did they use if they made 50 oz. of eggnog having 12% sugar concentration the following calculation must be made, by multiplying 0.12 by 50:
- 12/100 x 50 = X
- 0.12 x 50 = X
- 6 = X
Therefore, they used 6 oz of sugar.
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