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2014-04-16T11:56:39+03:00
A+b+c=120
a=k/0.2=5k
b=k/0.5=2k
c=k/0.25=4k

5k+2k+4k=120
11k=120
k=10.9

a=5*10.9
a=54.5

b=2*10.9
b=21.8

c=4*10.9
c=43.6
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