# Work

Workers works 5 days a week and has 21 days of vacation a year. Calculate how many days is out of work and express it as a percentage. Consider that a year has 52 weeks.

Correct result:

n =  239
n =  65.7 %

#### Solution:

$n=52\cdot 5-21=239$
$n = \dfrac{ 52\cdot 5-21}{52\cdot 7} \cdot 100 = 65.7 \%$

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