x+y+z=1450<br />2/3din x=a<br />2x/3 =a<br />3y/4=a<br />5z/8=a<br />x=3a/2<br />y=4a/3<br />z=8a/5<br />3a/2+4a/3+8a/5=1450<br />45a/30+40a/30+48a/30=1450<br />133a/30=1450<br />133a=43500<br />
a=43500:133
a=327,06
x=3•327,06/2=490,59
y=4•327,06/3=436,08
z=8•327,06/5=523,296