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5 orang = x hari
5x = 20 * 8
5x = 160
x = 160 / 5
x = 32 hari
Jadi 5 orang pekerja dapat menyelesaikan pekerjaan dalam waktu 32 hari.
8 => 20
5 => a
jawabnnya
hari = 20 x 8 / 5
= 4 x 8
= 32
jawabananya 32