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Year 11 Maths - General Linear Relations and Equations

Problem Solving and Modelling

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Questions
Question 1
10874

The BAC formula for a female is \(\text{BAC}_{\text{female}}=\dfrac{10N-7.5H}{5.5M}\), where \(N\) is the number of standard drinks, \(H\) is the number of hours of drinking and \(M\) is the mass in kilograms.

Find the BAC of a woman who weighs 58 kg and has had 4 standard drinks in 2 hours, correct to three decimal places.

\(\text{BAC}=\) 
0.078
 (3 d.p) 1 mark

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