
Matematika
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Bertolomeus Sanggo
Used 7+ times
FREE Resource
10 Slides • 0 Questions
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By Bertolomeus Sanggo
SMP Negeri 2 Waingapu
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Dalam kehidupan sehari-hari, kita tidak mungkin terlepas dari kegiatan yang terkait dengan artimetika soal. Dalam artimetika sosial ini akan dibahas tentang kegiatan yang terkait dengan dunia perekonomian, antara lain: penjualan, pembelian, keuntungan, kerugian, bunga, pajak, bruto, neto, dan tara.
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Persentase keuntungan digunakan untuk mengetahui persentase keuntungan dari suatu penjualan terhadap modal yang dikeluarkan.
Misal: PU = Persentase keuntungan
HB = Harga beli (modal)
HJ = Harga jual (total pemasukan)
Persentase keuntungan dapat ditentukan dengan rumus:
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Misal:
PR = Persentase kerugian
HB = Harga beli (modal)
HJ = Harga jual (total pemasukan)
Persentase kerugian dapat ditentukan dengan rumus:
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Perhatikan daftar harga berikut untuk selanjutnya bermain game
@Rp.32.500
@Rp.4.000
@Rp.2.000
@Rp.5.000
@Rp.4.000
@Rp.1.500
@Rp.1.500
@Rp.3.500
Agus hanya diberi uang Rp.50.000 oleh orang tuanya untuk membeli peralatan sekolah. Jika Ia membutuhkan 1 Penggaris, 3 Pensil, 2 Bolpoin, 1 Penghapus, dan 1 Lusin buku tulis, maka pilihlah diantara barang-barang tersebut yang dapat dibeli
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By Bertolomeus Sanggo
SMP Negeri 2 Waingapu
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