### Dabar3

##### Calculation with fractions

<p>Tip [Advice in German]:
\[\%=\frac{\mathcal{U}}{G}\]
</p>
<p>\[\frac{9}{25}=\frac{36}{100}\]
= 36%</p>
<p>36% of the boys do not like football.</p>
<h2>Calculate the percentage. Round to one decimal place.</h2>
<p>a) 3 kg of 7kg
\[p\%=\frac{3}{7}\approx0,429=42,9\%\]
</p>
<p>b) 26 g of 357g
\[p\%=\frac{26}{357}\approx0,073=7,3\%\]
</p>
<h2>Due to the conversion of an indoor swimming pool into a fun pool, the entrance fee increases from €3.50 to €6. By what percent did the entrance fee increase?</h2>
<p>Moritz: \(G=6\epsilon\) W3,50 €; p%-?</p>
<p>0,583-58,3%</p>
<p>The entrance fee increased by 58.3%.</p>