Odpowiedź :
Odpowiedź:
4/5 * 100% = 4 * 20% = 80%
12/300 * 100% = 4 * 1% = 4%
3 * 100% = 300%
2,4 * 100% = 24/10 * 100% = 24 * 10% = 240%
Szczegółowe wyjaśnienie:
1% = 1/100
[tex]\frac{4}{5} = \frac{4\cdot20}{5\cdot20} = \frac{80}{100} = 80\%\\\\\frac{12}{300} = \frac{12:3}{300:3} = \frac{4}{100} = 4\%\\\\3 = 3\cdot100\% = 300\%\\\\2,4 = \frac{24}{10} = \frac{24\cdot10}{10\cdot10} = \frac{240}{100} = 240\%[/tex]