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Verified answer
Bab PerbandinganMatematika SMP Kelas VII
60 hari . 18 orang = 40 hari . a
a = 60 . 18 / 40
a = 27 orang
Banyak pekerja tambahan = 27 - 18
= 9 orang
Pekerja:60 hari, 18 orang =40 hari
=60 18/40
=27 orang
maka
Pekerja tambahan:27 - 18=9
kalo sebanyak kira" di kurangi