Mathematics, 28.01.2021 16:10 jennifercastill3

Sebuah pekerjaan dapat diselesaikan dalam waktu 16 hari oleh 5 orang pekerja. Agar pekerjaan tersebut dapat diselesai-kan dalam waktu 10 hari, maka diperlukan tambahan pekerja sebanyak . . Makanan yang disediakan pengusaha ternak cukup untuk 20 ekor sapi selama 30 hari. Jika sapi dijual 5 ekor, maka persediaan makanan untuk ternak sapi yang sisa, cukup untuk makanan sapi selama . . . . Sebuah mobil dengan kecepatan rata-rata 60 km/jam dapat menempuh jarak dari kota P ke kota Q dalam waktu 1,2 jam. Agar jarak itu dapat ditempuh dalam waktu 45 menit, maka kecepatan mobil yang harus dicapai adalah… Suatu pekerjaan dapat diselesaikan dalam waktu 50 hari oleh 14 orang pekerja. Karena suatu hal, setelah 10 hari pekerjaan terhenti selama 12 hari. Agar pekerjaan dapat diselesaikan tepat pada waktunya, maka diperlukan tambahan pekerja sebanyak…

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