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Ajutor stiu Ms 500 grame %C 20% tre sa aflu md si m apa


Răspuns :

c=20% |
ms=500g |
________|
md=?
m apa=?



c=md/ms ×100. (/ inseamna supra)
==> md=c×ms/100
md=20×500/100=100
c=md/md×m apa==>m apa=md×c
m apa = 100×20=2000 g
c=md×ms/100
md=c×ms/100
md=20×500/100=100g
md×c=ma
100×20=2000g