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Verified answer
orang hari12 36
12+14=26 x
12/26=x/36
x×54=42×36
x=1512/54
x=28
jadi, pekerjaan akan selesai dalam 28 hari..
banyak pekerjaan = 12 x 36 orang hari = 432 oh
pekerja di + 14 menjadi = 12+ 14 = 26 orang
lama pekerjaa = 432/ 26 = 16,6 atau 17 hari