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Aflati nr x,y si zstiind ca x/3=y/5=z/8 si x+y+z=480

Răspuns :

x/3=y/5=z/8=k
x=3k
y=5k
z=8k

x+y+z=480
3k+5k+8k=480
16k=480
k=30 =>
=> x=3k=3 x 30 =60
y=5k= 5x30=150
z=8k=8x30=240