Răspuns:
Răspuns:
2. c1=60%, ms=50g
c=md/ms=60/100=md/50
<=> 60×50=100×md <=> 300=100×md <=>
<=> md= 300:100 <=> md= 3g
600g, c2=45%
c=md/ms=60/100=md/600
<=> 60×600=100×md <=> 36000=100×md <=>
<=> md= 36000:100 <=> md= 360g
*imi pare rău dar doar ex 2 l-am știut să-l fac.
