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2014-03-24T17:22:39+02:00
(a,b,c)i.p.(1/3,1/2,1/4)
6a+2b-5c=50
a/3=b/2=c/4.
a=3k
b=2k
c=4k
6·3k+2·2k-5·4k=50
18k+4k-20k=50
22k-20k=50
2k=50
k=50÷2
k=25
a=3k=3·25=75
b=2k=2·25=50
c=4k=4·25=100