Question

RAPPPIDD DAU CORONITAA 100 P!!!

Answer 1

Răspuns:

1.

md=40g

C=40%

ms=mdx100/C=40x100/40=100g

mapă=100-40=160g

2.

ms1=500g

C1=20%

mapă=500g

C2=?

md=C1xms1/100=20x500/100=100g

ms2=md + mapă=100+500=600g

C2=mdx100/ms2=100x100/600=16,67%

3

a) md=400g

mapă=1600g

ms=md+mapă=400+1600=2000g

C=mdx100/ms=400x100/2000=20%

b) md=300g

mapă=1700g

ms=md+apă=300+1700=2000g

C=mdx100/ms=300x100/2000=15%

c)md=50g

mapă=550

ms=md+apă=50+550=600g

C=mdx100/ms=50x100/600=8,33%

d) md=100g

mapă=400g

ms=md+apă=100+400=500g

C=mdx100/ms=100x100/500=20%

Explicație: