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md=10g zahar
ms=150g solutie
______________
c=?
_______



md=20g zahar
ms=300g solutie
______________
c=?
______


md=30g zahar
ms=450g solutie
______________
c=?
_______

Va rog ajutati-ma!


Răspuns :

c= md/ms x 100
10 / 150 x100= 100/15=20/3=6.(6)