# Air

Room is 35.6 m long, 19.6 dm wide and 591 cm high. How many people can simultaneously be in this room if for hygiene reasons is calculated 5000 dm3 of air per person?

Correct result:

n =  82

#### Solution:

$a=35.6 \ \text{m} \ \\ b=19.6 \ dm \rightarrow m=19.6 / 10 \ m=1.96 \ m \ \\ c=591 \ cm \rightarrow m=591 / 100 \ m=5.91 \ m \ \\ \ \\ V_{1}=a \cdot \ b \cdot \ c=35.6 \cdot \ 1.96 \cdot \ 5.91 \doteq 412.3762 \ \text{m}^3 \ \\ V_{2}=5000 \ dm^3 \rightarrow m^3=5000 / 1000 \ m^3=5 \ m^3 \ \\ \ \\ n=\lfloor V_{1}/V_{2} \rfloor=\lfloor 412.3762/5 \rfloor=82$ Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!

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