From the calculations that have been done, there are 3 drinks.
The information that we have been provided here is very important. We can obtain the amount of alcohol by looking at the fact that it contains 80-proof liquor.
This 80-proof liquor. is an equivalent of 40% alcohol this means that there is 1.5 ounce of distilled spirit.
Thus, the number of drinks there is;
4.5/1.5 = 3
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