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Ajutor am nevoie urgent! ​

Ajutor Am Nevoie Urgent class=

Răspuns :

+Răspuns:

ms1=50g

c1=10%

c1=md1x100/ms1------> md1= 10x50/100g=5g

c2= 2c1=20%

m se adauga atat la md, cat si la ms

c2= (md1+md)x100/ (ms1+md)

20/100= (5+md)/(50+md)

20(50+md)=100(5+md)

md=6,25g

Explicație: