Răspuns:
[tex]a) \frac{6}{x} \times 80 = 240 = > \frac{6 \times 80}{x} = 240[/tex]
[tex] \frac{480}{x} = 240 = > x = 480 \div 240[/tex]
[tex]x = 2[/tex]
[tex]b) \frac{5}{x} \times 120 = 300 = > \frac{5 \times 120}{x} = 300[/tex]
[tex] \frac{600}{x} = 300 = > x = 600 \div 300[/tex]
[tex]x = 2[/tex]
[tex]c) \frac{7}{x} \times 40 = 140 = > \frac{7 \times 40}{x} = 140[/tex]
[tex] \frac{280}{x} = 140 = > x = 280 \div 140[/tex]
[tex]x = 2[/tex]
[tex]d) \frac{8}{x} \times 60 = 120 = > \frac{8 \times 60}{x} = 120[/tex]
[tex] \frac{480}{x} = 120 = > x = 480 \div 120[/tex]
[tex]x = 4[/tex]
Sper ca te-am ajutat!
