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Repedeeeee am nevoie urgent ​

Repedeeeee Am Nevoie Urgent class=

Răspuns :

Răspuns:

C? 15 %

Explicație:

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Saramura are c=10% ms=10g
C=md/ms*100
10=md/10*100
Md=1g
Md2=md1+5=6g
Ms2=ms+5=15g
C=6/15*100
C=40%