2/3а=4/5в
а=4/5в / 2/3=4/5в*3/2=6/5в=1,2в
1,2в+в=148,5
2,2в=148,5
в=67,5
а=1,2*67,5=81
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2/3а=4/5в
а=4/5в / 2/3=4/5в*3/2=6/5в=1,2в
1,2в+в=148,5
2,2в=148,5
в=67,5
а=1,2*67,5=81