Объяснение:
28 + 32 = 60
60--------- 100%
28---------х%
х = 28×100/60 = 46.66% округленно 47%
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Объяснение:
28 + 32 = 60
60--------- 100%
28---------х%
х = 28×100/60 = 46.66% округленно 47%