To calculate Tommy's bac weight
Subtract 0.01% for each 40 minutes of drinking
Total hour spent: 60mins/40 = 1.5min
0.01/100= 0.0001
0.0001 * 3 drinks = 0.0003
140 - 0.0003 = 139.9
Body weight simply refers to the amount that a person weighs
So therefore, Tommy's bac weight is 139.9
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