Sebuah jembatan yang dikerjakan oleh 17 pekerja dalam perkiraan waktu selesai 45 hari. Jika pekerjaan tsb ingin diselesaikan dalam waktu 1 minggu 96 jam maka tambahan orang yang diperlukan adalah?

<p>Ok saya bantu jawab ya.....</p><p>Soal ini adalah soal model perbandingan berbalik nilai</p><p>1 minggu 96 jam = 7 hari + (96 : 24) hari</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 7 hari + 4 hari</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 11 hari</p><p>&nbsp;</p><p><strong>Jumlah Pekerja &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Waktu</strong></p><p>17 Pekerja &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 45 hari</p><p>n &nbsp;Pekerja &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;11 hari</p><p>&nbsp;</p><p>17/n = 11/45</p><p>n = (17 x 45) : 11</p><p>&nbsp; &nbsp; = 765/11</p><p>&nbsp; &nbsp; = 69,545 pekerja</p><p>&nbsp; &nbsp; = 70 pekerja</p><p>Tambahan pekerja = 70 - 17 = <strong>53 pekerja</strong></p><p>&nbsp;</p><p>Jadi, supaya pekerjaan selesai dalam 1 minggu 96 jam maka diperlukan pekerja tambahan sebanyak <strong>53 pekerja</strong></p>