Drunk and alcohol

One drunk measured 2.7 ‰ alcohol in the blood, another 1.75 ‰. How many grams of alcohol in the blood they had if they has 6 kg of blood?

Correct result:

a =  16.2 g
b =  10.5 g

Solution:

V=6 kgg=6 1000 g=6000 g  a=2.71000 V=2.71000 6000=815=16.2 gV=6 \ kg \rightarrow g=6 \cdot \ 1000 \ g=6000 \ g \ \\ \ \\ a=\dfrac{ 2.7 }{ 1000 } \cdot \ V=\dfrac{ 2.7 }{ 1000 } \cdot \ 6000=\dfrac{ 81 }{ 5 }=16.2 \ \text{g}



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Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 2 comments:
#
Math student
This is incorrect. It should be 162 grams and 105 grams

#
Matematik
All seems ok, probably you exchange permille vs. percent. With percents, all correct results will be 10 times higher.

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