Răspunsuri

2014-06-09T17:45:51+03:00
X, y, z dp cu 2, 6, 20
x=2k
y=6k
z=20k

az/100=x+y
20k a/100=2k+6k
20ka/100=8k
20ka=8*100k
20ka=800k
a=800k/20k
a=40

Deci 40%