the blood alcohol concentration(BAC)in the uk is 0.08%. A well known formula for calculating BAC percentage is widmarks formula
BAC%=5.14A/rW -0.015H
Where A is the total alcohol consumed in ounces, W is the body weight in pounds, r isthe alcohol distribution ration (0.73 for men, 0.66 for women) and H is the time passed in hours since drinking commenced.
A female driver started drinking 90 minutes ago, she has consumed 2 small glasses of wine (125ml each at 12% abv) she weighs 9 stone, according to widmarks formula is she over the limit?

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