Răspunsuri

2014-03-23T17:53:16+02:00
1200g......50gsare
1,5g........x
   
  x=1,5·50/1200
x=1200/75
x=16 g
2014-03-23T17:53:36+02:00
Regula de 3 simplă.1200g⇒50g.
                           ≈1500g⇒ \frac{1200x50}{1500}
 = \frac{12x50}{15} = 40 g.
R:40g