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ma puteti ajuta?????​

Ma Puteti Ajuta class=

Răspuns :

Răspuns:

x/3 = y/4 = z/6 = k

x=3k

y=4k

z=6k

____+

13k=3900 =>k=300

x=900 ; 900+900•8/100=972

y=1200 ; 1200+1200•8/100=1296

z=1800 ; 1800+1800•8/100=1944