6 mingi..........6 masinute..........3000 lei
4 mingi..........3 masinute...........1700 lei /x2
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6 mingi..........6 masinute..........3000 lei
8 mingi..........6 masinute..........3400 lei
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2 mingi // 400lei
1 minge=400:2
1 minge=200 lei