Răspuns :
30caiete..............2kg
50caiete..............x kg
30x=100
x=100:30
x=3,33 kg
R: 3,33 de kg de hartie se consuma pentru ase realiza 50 caiete
50caiete..............x kg
30x=100
x=100:30
x=3,33 kg
R: 3,33 de kg de hartie se consuma pentru ase realiza 50 caiete
Vom folosi regula de 3 simpla,si vom calcula astfel,eu vio nota cu x nr necunoscut,dar tu il notezi cum vrei.
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30caiete.................2kg.hartie
50caiete.................x kg.hartie
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[tex] \frac{30}{50} = \frac{2}{x} =\ \textgreater \ x= \frac{50*2}{30} \\\\ ~~~~~~~~~~~=\ \textgreater \ x= \frac{100}{30} \\\\ ~~~~~~~~~~~=\ \textgreater \ x=3,33kg.hartie[/tex]
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30caiete.................2kg.hartie
50caiete.................x kg.hartie
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[tex] \frac{30}{50} = \frac{2}{x} =\ \textgreater \ x= \frac{50*2}{30} \\\\ ~~~~~~~~~~~=\ \textgreater \ x= \frac{100}{30} \\\\ ~~~~~~~~~~~=\ \textgreater \ x=3,33kg.hartie[/tex]
