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Verified answer
30÷10=3hari / orang6hari÷3hari/orang =2
10orang +2orang=12orang
Bab Perbandingan dan Aritmatika Sosial
Tambahan pekerja
= pekerja awal . terhenti/sisa waktu
= 10 orang . 6 hari /(30 - 12 - 6) hari
= 60/12
= 5 orang